Files
carbon-lang/explorer/testdata/member_access/convert_lhs_interface.carbon
T
Richard Smith 8dd398807d Support user-defined implicit conversions via ImplicitAs (#1273)
Support is added for all of the non-type expression contexts where we currently accept built-in conversions, such as reordering the fields in a struct.
2022-05-20 17:10:30 -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
//
// RUN: %{explorer} %s 2>&1 | \
// RUN: %{FileCheck} --match-full-lines --allow-unused-prefixes=false %s
// RUN: %{explorer} --parser_debug --trace_file=- %s 2>&1 | \
// RUN: %{FileCheck} --match-full-lines --allow-unused-prefixes %s
// AUTOUPDATE: %{explorer} %s
// CHECK: result: 3
package Foo api;
interface HasF {
fn F[me: Self](o: Self) -> Self;
}
class X {
impl as HasF {
fn F[me: Self](o: Self) -> Self { return {.n = me.n + o.n}; }
}
var n: i32;
}
class Y {
var m: i32;
impl as ImplicitAs(X) {
fn Convert[me: Self]() -> X { return {.n = me.m}; }
}
}
fn Main() -> i32 {
var x: X = {.n = 1};
var y: Y = {.m = 2};
return y.(X.(HasF.F))(x).n;
}