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checker: fix generic_mutable_arrays in functions (#8445)

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BigBlack 2021-01-31 01:35:03 +08:00 committed by GitHub
parent 64d12cdc8d
commit c5e7956eb5
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2 changed files with 10 additions and 1 deletions
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9
vlib/builtin/array_test.v
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@ -1359,3 +1359,12 @@ fn test_clone_of_same_elem_size_array() {
println(arr2)
assert arr2 == [Abc{1, 2, 3}, Abc{2, 3, 4}]
}
pub fn example<T>(mut arr []T) []T {
return arr.clone()
}
fn test_generic_mutable_arrays() {
mut arr := [1, 2, 3]
assert example(mut arr) == [1, 2, 3]
}

2
vlib/v/checker/checker.v
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@ -1356,7 +1356,7 @@ pub fn (mut c Checker) call_method(mut call_expr ast.CallExpr) table.Type {
// need to return `array_xxx` instead of `array`
// in ['clone', 'str'] {
call_expr.receiver_type = left_type.to_ptr()
// call_expr.return_type = call_expr.receiver_type
call_expr.return_type = call_expr.receiver_type.set_nr_muls(0)
} else if method_name == 'sort' {
call_expr.return_type = table.void_type
} else if method_name == 'contains' {