Files
carbon-lang/explorer/testdata/while/convert_condition.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: 0
package ExplorerTest api;
class LazyNe {
var v1: i32;
var v2: i32;
impl as ImplicitAs(Bool) {
fn Convert[me: Self]() -> Bool {
return not (me.v1 == me.v2);
}
}
fn Make(v1: i32, v2: i32) -> Self {
return {.v1 = v1, .v2 = v2};
}
}
fn Main() -> i32 {
var x: auto = 2;
while (LazyNe.Make(x, 0)) {
x = x - 1;
}
return x;
}