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add behavior test for empty error set inference

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closes #1386
closes #7541
This commit is contained in:
Andrew Kelley 2022-12-18 14:18:00 -07:00
parent 09ee887e9f
commit 6018a3ad39
1 changed files with 21 additions and 0 deletions
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21
test/behavior/error.zig
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@ -287,6 +287,27 @@ test "inferred empty error set comptime catch" {
S.foo() catch @compileError("fail");
}
test "error inference with an empty set" {
const S = struct {
const Struct = struct {
pub fn func() (error{})!usize {
return 0;
}
};
fn AnotherStruct(comptime SubStruct: type) type {
return struct {
fn anotherFunc() !void {
try expect(0 == (try SubStruct.func()));
}
};
}
};
const GeneratedStruct = S.AnotherStruct(S.Struct);
try GeneratedStruct.anotherFunc();
}
test "error union peer type resolution" {
if (builtin.zig_backend == .stage2_aarch64) return error.SkipZigTest; // TODO
if (builtin.zig_backend == .stage2_sparc64) return error.SkipZigTest; // TODO