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use std::io::Write to write bytes

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Folkert 2022-04-26 09:17:09 +02:00
parent 3e0b598bc7
commit b761890f47
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1 changed files with 3 additions and 8 deletions
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11
compiler/module/src/symbol.rs
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@ -639,18 +639,13 @@ impl IdentIds {
/// This is used, for example, during canonicalization of an Expr::Closure
/// to generate a unique symbol to refer to that closure.
pub fn gen_unique(&mut self) -> IdentId {
use std::fmt::Write;
use std::io::Write;
let index = self.lengths.len();
// "4294967296" is 10 characters
let mut buffer: arrayvec::ArrayString<10> = arrayvec::ArrayString::new();
write!(buffer, "{}", index).unwrap();
let offset = self.buffer.len();
let length = buffer.len();
self.buffer.extend(buffer.bytes());
write!(self.buffer, "{}", index).unwrap();
let length = self.buffer.len() - offset;
self.lengths.push(length as u16);
self.offsets.push(offset as u32);