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carbon-lang/executable_semantics/testdata/tuple_match3.carbon
T

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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: 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;
// Test matching of a tuple inside a tuple.
fn main() -> i32 {
var t: auto = ((1,2),(3,4));
match (t) {
case ((a: auto, b: auto), c: auto) =>
return a - b + c[0] - c[1] + 2;
}
}