mirror of
https://github.com/rustwasm/wasm-bindgen.git
synced 2024-11-28 14:27:36 +03:00
574 lines
14 KiB
Rust
574 lines
14 KiB
Rust
use super::project;
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#[test]
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fn works() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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use std::cell::Cell;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn call(a: &Fn());
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fn thread(a: &Fn(u32) -> u32) -> u32;
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}
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#[wasm_bindgen]
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pub fn run() {
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let a = Cell::new(false);
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call(&|| a.set(true));
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assert!(a.get());
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assert_eq!(thread(&|a| a + 1), 3);
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import { run } from "./out";
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export function call(a) {
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a();
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}
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export function thread(a) {
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return a(2);
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}
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn cannot_reuse() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn call(a: &Fn());
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#[wasm_bindgen(catch)]
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fn call_again() -> Result<(), JsValue>;
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}
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#[wasm_bindgen]
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pub fn run() {
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call(&|| {});
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assert!(call_again().is_err());
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import { run } from "./out";
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let CACHE = null;
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export function call(a) {
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CACHE = a;
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}
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export function call_again() {
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CACHE();
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}
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn long_lived() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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use std::cell::Cell;
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use std::rc::Rc;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn call1(a: &Closure<Fn()>);
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fn call2(a: &Closure<FnMut(u32) -> u32>) -> u32;
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}
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#[wasm_bindgen]
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pub fn run() {
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let hit = Rc::new(Cell::new(false));
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let hit2 = hit.clone();
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let a = Closure::new(move || hit2.set(true));
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assert!(!hit.get());
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call1(&a);
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assert!(hit.get());
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let hit = Rc::new(Cell::new(false));
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{
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let hit = hit.clone();
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let a = Closure::new(move |x| {
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hit.set(true);
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x + 3
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});
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assert_eq!(call2(&a), 5);
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}
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assert!(hit.get());
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import { run } from "./out";
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export function call1(a) {
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a();
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}
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export function call2(a) {
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return a(2);
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}
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn many_arity() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn call1(a: &Closure<Fn()>);
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fn call2(a: &Closure<Fn(u32)>);
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fn call3(a: &Closure<Fn(u32, u32)>);
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fn call4(a: &Closure<Fn(u32, u32, u32)>);
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fn call5(a: &Closure<Fn(u32, u32, u32, u32)>);
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fn call6(a: &Closure<Fn(u32, u32, u32, u32, u32)>);
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fn call7(a: &Closure<Fn(u32, u32, u32, u32, u32, u32)>);
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fn call8(a: &Closure<Fn(u32, u32, u32, u32, u32, u32, u32)>);
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#[wasm_bindgen(js_name = call1)]
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fn stack1(a: &Fn());
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#[wasm_bindgen(js_name = call2)]
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fn stack2(a: &Fn(u32));
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#[wasm_bindgen(js_name = call3)]
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fn stack3(a: &Fn(u32, u32));
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#[wasm_bindgen(js_name = call4)]
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fn stack4(a: &Fn(u32, u32, u32));
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#[wasm_bindgen(js_name = call5)]
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fn stack5(a: &Fn(u32, u32, u32, u32));
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#[wasm_bindgen(js_name = call6)]
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fn stack6(a: &Fn(u32, u32, u32, u32, u32));
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#[wasm_bindgen(js_name = call7)]
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fn stack7(a: &Fn(u32, u32, u32, u32, u32, u32));
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#[wasm_bindgen(js_name = call8)]
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fn stack8(a: &Fn(u32, u32, u32, u32, u32, u32, u32));
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}
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#[wasm_bindgen]
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pub fn run() {
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call1(&Closure::new(|| {}));
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call2(&Closure::new(|a| assert_eq!(a, 1)));
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call3(&Closure::new(|a, b| assert_eq!((a, b), (1, 2))));
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call4(&Closure::new(|a, b, c| assert_eq!((a, b, c), (1, 2, 3))));
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call5(&Closure::new(|a, b, c, d| {
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assert_eq!((a, b, c, d), (1, 2, 3, 4))
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}));
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call6(&Closure::new(|a, b, c, d, e| {
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assert_eq!((a, b, c, d, e), (1, 2, 3, 4, 5))
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}));
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call7(&Closure::new(|a, b, c, d, e, f| {
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assert_eq!((a, b, c, d, e, f), (1, 2, 3, 4, 5, 6))
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}));
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call8(&Closure::new(|a, b, c, d, e, f, g| {
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assert_eq!((a, b, c, d, e, f, g), (1, 2, 3, 4, 5, 6, 7))
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}));
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stack1(&(|| {}));
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stack2(&(|a| assert_eq!(a, 1)));
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stack3(&(|a, b| assert_eq!((a, b), (1, 2))));
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stack4(&(|a, b, c| assert_eq!((a, b, c), (1, 2, 3))));
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stack5(&(|a, b, c, d| {
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assert_eq!((a, b, c, d), (1, 2, 3, 4))
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}));
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stack6(&(|a, b, c, d, e| {
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assert_eq!((a, b, c, d, e), (1, 2, 3, 4, 5))
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}));
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stack7(&(|a, b, c, d, e, f| {
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assert_eq!((a, b, c, d, e, f), (1, 2, 3, 4, 5, 6))
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}));
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stack8(&(|a, b, c, d, e, f, g| {
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assert_eq!((a, b, c, d, e, f, g), (1, 2, 3, 4, 5, 6, 7))
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}));
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import { run } from "./out";
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export function call1(a) { a() }
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export function call2(a) { a(1) }
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export function call3(a) { a(1, 2) }
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export function call4(a) { a(1, 2, 3) }
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export function call5(a) { a(1, 2, 3, 4) }
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export function call6(a) { a(1, 2, 3, 4, 5) }
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export function call7(a) { a(1, 2, 3, 4, 5, 6) }
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export function call8(a) { a(1, 2, 3, 4, 5, 6, 7) }
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn long_lived_dropping() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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use std::cell::Cell;
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use std::rc::Rc;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn cache(a: &Closure<Fn()>);
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#[wasm_bindgen(catch)]
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fn call() -> Result<(), JsValue>;
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}
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#[wasm_bindgen]
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pub fn run() {
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let hit = Rc::new(Cell::new(false));
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let hit2 = hit.clone();
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let a = Closure::new(move || hit2.set(true));
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cache(&a);
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assert!(!hit.get());
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assert!(call().is_ok());
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assert!(hit.get());
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drop(a);
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assert!(call().is_err());
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import { run } from "./out";
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let CACHE = null;
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export function cache(a) { CACHE = a; }
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export function call() { CACHE() }
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn long_fnmut_recursive() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn cache(a: &Closure<FnMut()>);
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#[wasm_bindgen(catch)]
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fn call() -> Result<(), JsValue>;
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}
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#[wasm_bindgen]
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pub fn run() {
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let a = Closure::new(|| {
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assert!(call().is_err());
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});
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cache(&a);
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assert!(call().is_ok());
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import { run } from "./out";
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let CACHE = null;
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export function cache(a) { CACHE = a; }
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export function call() { CACHE() }
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn fnmut() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn call(a: &mut FnMut());
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fn thread(a: &mut FnMut(u32) -> u32) -> u32;
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}
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#[wasm_bindgen]
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pub fn run() {
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let mut a = false;
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call(&mut || a = true);
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assert!(a);
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let mut x = false;
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assert_eq!(thread(&mut |a| {
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x = true;
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a + 1
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}), 3);
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assert!(x);
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import { run } from "./out";
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export function call(a) {
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a();
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}
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export function thread(a) {
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return a(2);
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}
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn fnmut_bad() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn call(a: &mut FnMut());
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#[wasm_bindgen(catch)]
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fn again(a: bool) -> Result<(), JsValue>;
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}
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#[wasm_bindgen]
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pub fn run() {
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let mut x = true;
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let mut hits = 0;
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call(&mut || {
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hits += 1;
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if again(hits == 1).is_err() {
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return
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}
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x = false;
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});
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assert!(hits == 1);
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assert!(x);
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assert!(again(true).is_err());
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}
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"#,
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)
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.file(
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"test.js",
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r#"
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import { run } from "./out";
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let F = null;
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export function call(a) {
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F = a;
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a();
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}
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export function again(x) {
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if (x) F();
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}
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export function test() {
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run();
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}
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"#,
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)
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.test();
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}
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#[test]
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fn string_arguments() {
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project()
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.file(
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"src/lib.rs",
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r#"
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#![feature(use_extern_macros)]
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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#[wasm_bindgen(module = "./test")]
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extern {
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fn call(a: &mut FnMut(String));
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}
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|
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#[wasm_bindgen]
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pub fn run() {
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let mut x = false;
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call(&mut |s| {
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assert_eq!(s, "foo");
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x = true;
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});
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assert!(x);
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}
|
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"#,
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)
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.file(
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"test.js",
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r#"
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import { run } from "./out";
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export function call(a) {
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a("foo")
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}
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|
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export function test() {
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run();
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}
|
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"#,
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)
|
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.test();
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}
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|
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#[test]
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fn string_ret() {
|
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project()
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.file(
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"src/lib.rs",
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r#"
|
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#![feature(use_extern_macros)]
|
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|
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extern crate wasm_bindgen;
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use wasm_bindgen::prelude::*;
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|
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#[wasm_bindgen(module = "./test")]
|
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extern {
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fn call(a: &mut FnMut(String) -> String);
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}
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|
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#[wasm_bindgen]
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pub fn run() {
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let mut x = false;
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call(&mut |mut s| {
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assert_eq!(s, "foo");
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s.push_str("bar");
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x = true;
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s
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});
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assert!(x);
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}
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"#,
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)
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.file(
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"test.js",
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r#"
|
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import { run } from "./out";
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import * as assert from "assert";
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|
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export function call(a) {
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const s = a("foo");
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assert.strictEqual(s, "foobar");
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}
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|
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export function test() {
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run();
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}
|
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"#,
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)
|
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.test();
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}
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