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35 lines
950 B
Plaintext
35 lines
950 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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// TODO: Should this work?
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package ExplorerTest api;
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interface Vector {
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let Dim:! i32;
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}
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impl (i32, i32, i32) as Vector where .Dim = 3 {}
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class Point(Scalar:! type, Dim:! i32) {}
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fn F[Scalar:! type, V:! Vector where .Dim == 3](p: Point(Scalar, V.Dim), v: V) {}
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fn G[Scalar:! type](p: Point(Scalar, 3)) {}
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fn H[V:! Vector where .Dim == 3](v: V) {
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var p: Point(i32, V.Dim) = {};
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// CHECK:STDERR: COMPILATION ERROR: fail_match_in_deduction.carbon:[[@LINE+1]]: mismatch in non-deduced values, `(V).(Vector.Dim)` != `3`
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G(p);
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}
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fn Main() -> i32 {
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var p: Point(i32, 3) = {};
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// Deduce Point(Scalar, V.Dim) from Point(i32, 3).
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F(p, (0, 0, 0));
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// Deduce Point(Scalar, 3) from Point(i32, V.Dim).
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H((0, 0, 0));
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return 0;
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}
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