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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.
43 lines
804 B
Plaintext
43 lines
804 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: Carrot.G
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// CHECK:STDOUT: result: 5
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package ExplorerTest api;
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interface Apple(T:! type) {
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fn F[self: Self]() -> T;
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}
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interface Banana {
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impl as Apple(i32);
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fn G[self: Self]();
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}
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class Carrot {
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var n: i32;
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}
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external impl Carrot as Apple(i32) {
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fn F[self: Self]() -> i32 { return self.n; }
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}
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external impl Carrot as Banana {
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fn G[self: Self]() { Print("Carrot.G"); }
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}
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fn H[T:! Banana](x: T) -> i32 {
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x.G();
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return x.(Apple(i32).F)();
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}
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fn Main() -> i32 {
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var c: Carrot = {.n = 5};
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return H(c);
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}
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