Files
carbon-lang/explorer/testdata/let/fail_match_choice.carbon
T
Richard Smith 96a663766c Remove support for nesting blocks within blocks. (#1309)
This is not part of the approved design and gets in the way of
supporting `where` expressions, which are part of the approved design.
2022-06-03 18:46:46 -07:00

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// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
// Exceptions. See /LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
// RUN: %{not} %{explorer} %s 2>&1 | \
// RUN: %{FileCheck} --match-full-lines --allow-unused-prefixes=false %s
// RUN: %{not} %{explorer} --parser_debug --trace_file=- %s 2>&1 | \
// RUN: %{FileCheck} --match-full-lines --allow-unused-prefixes %s
// AUTOUPDATE: %{explorer} %s
package ExplorerTest api;
choice Ints {
None,
One(i32),
Two(i32, i32)
}
fn Main() -> i32 {
var x: auto = Ints.None();
var n: auto = 0;
match (x) {
case Ints.One(var x: auto) => {
x = 2;
}
case Ints.None() => {
n = n - 1;
}
case Ints.Two(x: auto, y: auto) => {
// CHECK: COMPILATION ERROR: {{.*}}/explorer/testdata/let/fail_match_choice.carbon:[[@LINE+1]]: Cannot assign to rvalue 'x'
x = 0;
}
}
return 0;
}