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https://github.com/carbon-language/carbon-lang.git
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Richard Smith
4daaa4866f
Also make minor updates to the skeletal design in docs/design/name_lookup.md following #2113, as there are no longer any prelude names that are made available to unqualified name lookup by default. Add `type` to the keyword list in docs/design/lexical_conventions/words.md, following #2360.
38 lines
845 B
Plaintext
38 lines
845 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: 0
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package ExplorerTest api;
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interface MyAddWith(T:! type) {
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fn Op[self: Self](b: T) -> 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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// Allowed: `Self` means `Point` after `as`
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impl Point as MyAddWith(Self) {
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fn Op[self: Point](b: Point) -> Point {
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return {.x = self.x + b.x, .y = self.y + b.y};
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}
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}
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fn DoAddGeneric[T:! type, U:! MyAddWith(T)](a: U, b: T) -> U {
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return a.Op(b);
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}
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fn Main() -> i32 {
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var a: Point = {.x = 2, .y = 1};
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var b: Point = {.x = 4, .y = 2};
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var p: Point = DoAddGeneric(a, b);
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return p.x - p.y - 3;
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}
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