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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.
54 lines
1.2 KiB
Plaintext
54 lines
1.2 KiB
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: 5
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// CHECK:STDOUT: 5
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// CHECK:STDOUT: 5
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// CHECK:STDOUT: 5
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// CHECK:STDOUT: 5
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// CHECK:STDOUT: result: 0
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package ExplorerTest api;
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interface Maker(T:! type) {
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fn Make[self: Self]() -> T;
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}
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constraint IndirectMaker(T:! type) {
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extends Maker(T*);
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}
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constraint MoreIndirectMaker {
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extends IndirectMaker(i32);
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}
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class PointerFactory {
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var p: i32*;
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external impl as Maker(i32*) {
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fn Make[self: Self]() -> i32* { return self.p; }
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}
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}
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fn CallIndirect[T:! IndirectMaker(i32)](x: T) -> i32 {
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return *x.Make();
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}
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fn CallMoreIndirect[T:! MoreIndirectMaker](x: T) -> i32 {
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return *x.Make();
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}
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fn Main() -> i32 {
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var n: i32 = 5;
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var f: PointerFactory = {.p = &n};
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Print("{0}", *f.(Maker(i32*).Make)());
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Print("{0}", *f.(IndirectMaker(i32).Make)());
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Print("{0}", *f.(MoreIndirectMaker.Make)());
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Print("{0}", CallIndirect(f));
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Print("{0}", CallMoreIndirect(f));
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return 0;
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}
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