fix array function input bug

compiler/tests/core/packages/unstable/blake2s/mod.rs

@@ -16,7 +16,6 @@
 
 use crate::{
     assert_satisfied,
-    expect_compiler_error,
     expect_dynamic_check_error,
     generate_main_input,
     get_output,
@@ -42,9 +41,9 @@ fn test_arguments_length_fail() {
 #[test]
 fn test_arguments_type_fail() {
     let program_bytes = include_bytes!("arguments_type_fail.leo");
-    let program = parse_program(program_bytes).unwrap();
+    let error = parse_program(program_bytes).err().unwrap();
 
-    expect_compiler_error(program);
+    expect_dynamic_check_error(error);
 }
 
 #[test]

compiler/tests/function/array_input.leo

@@ -0,0 +1,6 @@
+function foo(a: [u8; 1]) {}
+
+function main() {
+    let a: [u16; 1] = [1; 1];
+    foo(a);
+}

compiler/tests/function/mod.rs

@@ -133,6 +133,14 @@ fn test_value_unchanged() {
     assert_satisfied(program);
 }
 
+#[test]
+fn test_array_input() {
+    let bytes = include_bytes!("array_input.leo");
+    let error = parse_program(bytes).err().unwrap();
+
+    expect_dynamic_check_error(error)
+}
+
 // Test return multidimensional arrays
 
 #[test]

dynamic-check/src/dynamic_check.rs

@@ -1050,8 +1050,6 @@ impl Frame {
                 .ok_or_else(|| FrameError::undefined_circuit(identifier))?
         };
 
-        println!("circuit_type: {:?}", circuit_type);
-
         // Check the length of the circuit members.
         if circuit_type.variables.len() != members.len() {
             return Err(FrameError::num_variables(

static-check/src/types/type_.rs

@@ -238,11 +238,20 @@ impl Type {
     /// Replaces self with the given type if self is equal to the given `TypeVariable`.
     ///
     pub fn substitute(&mut self, variable: &TypeVariable, type_: &Type) {
-        if let Type::TypeVariable(self_variable) = self {
+        match self {
+            Type::TypeVariable(self_variable) => {
                 if self_variable == variable {
                     *self = type_.to_owned()
                 }
             }
+            Type::Array(self_type, _) => {
+                self_type.substitute(variable, type_);
+            }
+            Type::Tuple(types) => types
+                .iter_mut()
+                .for_each(|tuple_type| tuple_type.substitute(variable, type_)),
+            _ => {}
+        }
     }
 }