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export fn a() void {
errdefer |_| {
@"_";
}
}
export fn b() void {
const x: error{}!void = {};
x catch |_| {
@"_";
};
}
export fn c() void {
const x: error{}!void = {};
x catch |_| switch (_) {};
}
export fn d() void {
const x: error{}!u32 = 0;
if (x) |v| v else |_| switch (_) {}
}
// error
//
// :2:15: error: discard of error capture; omit it instead
// :3:9: error: use of undeclared identifier '_'
// :8:14: error: discard of error capture; omit it instead
// :9:9: error: use of undeclared identifier '_'
// :14:14: error: discard of error capture; omit it instead
// :18:24: error: discard of error capture; omit it instead
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