2017-01-05 16:57:48 +08:00
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const assert = @import("std").debug.assert;
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2017-12-04 09:43:56 +08:00
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const FormValue = union(enum) {
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One: void,
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2016-09-21 04:10:34 +08:00
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Two: bool,
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2016-12-26 07:31:57 +08:00
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};
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2016-09-21 04:10:34 +08:00
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2018-02-01 11:48:40 +08:00
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fn foo(id: u64) !FormValue {
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2017-12-22 13:50:30 +08:00
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return switch (id) {
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2018-05-29 08:23:55 +08:00
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2 => FormValue{ .Two = true },
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1 => FormValue{ .One = {} },
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2016-09-21 04:10:34 +08:00
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else => return error.Whatever,
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2017-12-22 13:50:30 +08:00
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};
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2016-09-21 04:10:34 +08:00
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}
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2017-05-24 09:38:31 +08:00
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test "switch prong implicit cast" {
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2018-01-09 13:07:01 +08:00
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const result = switch (foo(2) catch unreachable) {
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2016-12-26 07:31:57 +08:00
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FormValue.One => false,
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FormValue.Two => |x| x,
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2016-09-21 04:10:34 +08:00
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};
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assert(result);
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}
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