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Richard SmithandJon Ross-Perkins
33c1e9ca95
When declaring an associated entity in an interface -- just associated functions for now -- create an associated entity value and corresponding type to represent a "slot in a witness table". Also track the list of associated entities on the interface so that we will eventually be able to check impls against them. Associated entities are represented as the integer index of their slot in a witness table. --------- Co-authored-by: Jon Ross-Perkins <jperkins@google.com>
32 lines
865 B
Plaintext
32 lines
865 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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interface I {
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fn Assoc();
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}
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// There are no interesting runtime operations here, but there's no rule saying
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// you can't pass a facet around at runtime, so make sure it works.
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fn F(T: I) -> I { return T; }
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interface J;
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// Declared-but-not-defined interfaces are still complete types.
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fn G(T: J) {}
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// CHECK:STDOUT: ; ModuleID = 'basic.carbon'
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// CHECK:STDOUT: source_filename = "basic.carbon"
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// CHECK:STDOUT:
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// CHECK:STDOUT: declare void @Assoc()
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// CHECK:STDOUT:
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// CHECK:STDOUT: define void @F() {
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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// CHECK:STDOUT:
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// CHECK:STDOUT: define void @G() {
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// CHECK:STDOUT: ret void
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// CHECK:STDOUT: }
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