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32 lines
870 B
Plaintext
32 lines
870 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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interface Vector {
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fn Add[self: Self](b: Self) -> Self;
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fn Scale[self: Self](v: i32) -> Self;
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}
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class Point {
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var x: i32;
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var y: i32;
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}
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fn AddAndScaleGeneric[T:! Vector](a: T, b: T, s: i32) -> T {
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return a.Add(b).Scale(s);
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}
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fn Main() -> i32 {
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var a: Point = {.x = 0, .y = 0};
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var b: Point = {.x = 2, .y = 3};
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// CHECK:STDERR: COMPILATION ERROR: {{.*}}/explorer/testdata/interface/fail_no_impl.carbon:[[@LINE+1]]: could not find implementation of interface Vector for class Point
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var p: Point = AddAndScaleGeneric(a, b, 3);
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return p.x - 6;
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}
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