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carbon-lang/explorer/testdata/named_constraint/fail_compound_member_access.carbon
T
2023-06-15 08:42:14 -07:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// AUTOUPDATE
package ExplorerTest api;
interface MyAddWith(T:! type) {
let Result:! type;
fn Op[self: Self](other: T) -> Result;
}
constraint MyAdd {
extend MyAddWith(Self) where .Result = Self;
}
impl i32 as MyAdd {
fn Op[self: i32](other: i32) -> i32 { return self + other; }
}
fn Main() -> i32 {
let n: i32 = 1;
// TODO: This should be valid, but isn't representable in our current
// MemberName value. We will likely need MemberName to remember the
// constraint as written, not only the interface in which the member was
// found.
// CHECK:STDERR: COMPILATION ERROR: fail_compound_member_access.carbon:[[@LINE+1]]: could not find implementation of interface MyAddWith(T = Self) for i32
return n.(MyAdd.Op)(n);
}