mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-27 19:20:10 +01:00
Implement Choice parsing in toolchain according to [design](https://github.com/carbon-language/carbon-lang/blob/trunk/docs/design/sum_types.md).
30 lines
1.2 KiB
Plaintext
30 lines
1.2 KiB
Plaintext
// 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
|
|
//
|
|
// AUTOUPDATE
|
|
|
|
choice Ordering {
|
|
Less,
|
|
Equivalent,
|
|
Greater,
|
|
Incomparable
|
|
}
|
|
|
|
// CHECK:STDOUT: - filename: basic.carbon
|
|
// CHECK:STDOUT: parse_tree: [
|
|
// CHECK:STDOUT: {kind: 'FileStart', text: ''},
|
|
// CHECK:STDOUT: {kind: 'ChoiceIntroducer', text: 'choice'},
|
|
// CHECK:STDOUT: {kind: 'IdentifierName', text: 'Ordering'},
|
|
// CHECK:STDOUT: {kind: 'ChoiceDefinitionStart', text: '{', subtree_size: 3},
|
|
// CHECK:STDOUT: {kind: 'IdentifierName', text: 'Less'},
|
|
// CHECK:STDOUT: {kind: 'ChoiceAlternativeListComma', text: ','},
|
|
// CHECK:STDOUT: {kind: 'IdentifierName', text: 'Equivalent'},
|
|
// CHECK:STDOUT: {kind: 'ChoiceAlternativeListComma', text: ','},
|
|
// CHECK:STDOUT: {kind: 'IdentifierName', text: 'Greater'},
|
|
// CHECK:STDOUT: {kind: 'ChoiceAlternativeListComma', text: ','},
|
|
// CHECK:STDOUT: {kind: 'IdentifierName', text: 'Incomparable'},
|
|
// CHECK:STDOUT: {kind: 'ChoiceDefinition', text: '}', subtree_size: 11},
|
|
// CHECK:STDOUT: {kind: 'FileEnd', text: ''},
|
|
// CHECK:STDOUT: ]
|