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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.
29 lines
796 B
Plaintext
29 lines
796 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: %{not} %{explorer-run}
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// RUN: %{not} %{explorer-run-trace}
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package ExplorerTest api;
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class A(T:! Type) {}
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interface B(T:! Type) {}
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external impl forall [T:! Type] A(T) as B(i32) {}
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external impl forall [T:! Type] A(i32) as B(T) {}
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fn F[T:! B(i32)](x: T) {}
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fn G[T:! B(bool)](x: T) {}
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fn Main() -> i32 {
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let a: A(bool) = {};
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let b: A(i32) = {};
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F(a);
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G(b);
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// CHECK:STDERR: COMPILATION ERROR: {{.*}}/explorer/testdata/impl/fail_ambiguous_impl_generic.carbon:[[@LINE+1]]: ambiguous implementations of interface B(T = i32) for class A(T = i32)
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F(b);
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return 0;
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}
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