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Value: implement orderAgainstZeroInner for errors

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David Rubin 2024-12-27 04:19:50 -08:00 • committed by Andrew Kelley
parent 01081cc8e8
commit b99dbb6fb5
2 changed files with 26 additions and 0 deletions
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1
src/Value.zig
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@ -1066,6 +1066,7 @@ pub fn orderAgainstZeroInner(
.float => |float| switch (float.storage) {
inline else => |x| std.math.order(x, 0),
},
.err => .gt, // error values cannot be 0
else => unreachable,
},
};

25
test/behavior/switch_loop.zig
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@ -74,6 +74,31 @@ test "switch loop on enum" {
try comptime S.doTheTest();
}
test "switch loop with error set" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_arm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_spirv64) return error.SkipZigTest; // TODO
const S = struct {
const E = error{ Foo, Bar, Baz };
fn doTheTest() !void {
var start: E = undefined;
start = error.Foo;
const result: u32 = s: switch (start) {
error.Foo => continue :s error.Bar,
error.Bar => continue :s error.Baz,
error.Baz => 123,
};
try expect(result == 123);
}
};
try S.doTheTest();
try comptime S.doTheTest();
}
test "switch loop on tagged union" {
if (builtin.zig_backend == .stage2_wasm) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO