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9299e51511
Features: * Adds support for [subtyping](https://github.com/carbon-language/carbon-lang/blob/trunk/docs/design/classes.md#subtyping) for local variables, and function parameters Changes: * Update function parameter `Deduce` to handle subtyping * Update `InstantiateType` to support `PointerType` * Update `Convert` to support convertion from child class to a base class Relates to #1881 Co-authored-by: Jon Ross-Perkins <jperkins@google.com> Co-authored-by: Geoff Romer <gromer@google.com>
23 lines
599 B
Plaintext
23 lines
599 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: %{not} %{explorer-run}
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// RUN: %{not} %{explorer-run-trace}
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package ExplorerTest api;
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base class C {
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}
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class D {
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}
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fn Main() -> i32 {
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var d: D = {};
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// CHECK:STDERR: COMPILATION ERROR: {{.*}}/explorer/testdata/class/fail_invalid_subtyping.carbon:[[@LINE+1]]: type error in name binding: 'class D*' is not implicitly convertible to 'class C*'
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var c: C* = &d;
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return 0;
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}
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