mirror of
https://github.com/carbon-language/carbon-lang.git
synced 2026-09-24 22:02:23 +01:00
49 lines
1.1 KiB
Plaintext
49 lines
1.1 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
|
|
//
|
|
// RUN: %{executable_semantics} %s 2>&1 | \
|
|
// RUN: %{FileCheck} --match-full-lines --allow-unused-prefixes=false %s
|
|
// RUN: %{executable_semantics} --trace %s 2>&1 | \
|
|
// RUN: %{FileCheck} --match-full-lines --allow-unused-prefixes %s
|
|
// AUTOUPDATE: %{executable_semantics} %s
|
|
// CHECK: result: 0
|
|
|
|
package ExecutableSemanticsTest api;
|
|
|
|
choice Ints {
|
|
None,
|
|
One(i32),
|
|
Two(i32,i32)
|
|
}
|
|
|
|
fn Main() -> i32 {
|
|
var x: auto = Ints.None();
|
|
var y: auto = Ints.One(42);
|
|
var n: auto = 0;
|
|
match (y) {
|
|
case Ints.None =>
|
|
n = n + 2;
|
|
case Ints.One(x: auto) =>
|
|
n = x + 1 - 42;
|
|
case Ints.Two(a: auto, b: auto) =>
|
|
n = 2;
|
|
}
|
|
match (x) {
|
|
case Ints.One(x: auto) =>
|
|
n = x + 2;
|
|
case Ints.None() =>
|
|
n = n - 1;
|
|
case Ints.Two(x: auto, y: auto) =>
|
|
n = 5;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
// Test some alternate syntaxes
|
|
choice MoreInts {
|
|
None(),
|
|
One(i32),
|
|
Two(i32,i32),
|
|
}
|