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https://github.com/carbon-language/carbon-lang.git
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Jon Ross-Perkins
eac7c2bda4
This was an offshoot of the discussion about how much boilerplate we could remove. lit requires RUN lines be there, everything else is optional.
36 lines
942 B
Plaintext
36 lines
942 B
Plaintext
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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// AUTOUPDATE
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// RUN: %{explorer-run}
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// RUN: %{explorer-run-trace}
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// CHECK:STDOUT: result: 1133
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package ExplorerTest api;
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interface I(T:! Type) {
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fn F[me: Self](t: T, o: Self) -> Self;
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}
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class X(U:! Type) {
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impl as I(U) {
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fn F[me: Self](u: U, o: Self) -> Self { return {.m = u, .n = me.n + o.n}; }
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}
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var m: U;
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var n: i32;
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}
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fn Run[V:! Type](x: V) -> (V, V, i32, i32) {
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var v: X(V) = {.m = x, .n = 1};
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var w: X(V) = {.m = x, .n = 2};
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// OK, know that `X(V)` implements `I(V)` from the `impl` in the class.
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var call: X(V) = v.(X(V).(I(V).F))(x, w);
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return (call.(X(V).m), call.m, call.(X(V).n), call.n);
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}
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fn Main() -> i32 {
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var (a: i32, b: i32, c: i32, d: i32) = Run(1);
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return a * 1000 + b * 100 + c * 10 + d;
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}
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