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zig/test/cases/compile_errors/function_parameter_is_opaque.zig
2022-07-21 12:21:30 -07:00

31 lines
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Zig

const FooType = opaque {};
export fn entry1() void {
const someFuncPtr: fn (FooType) void = undefined;
_ = someFuncPtr;
}
export fn entry2() void {
const someFuncPtr: fn (@TypeOf(null)) void = undefined;
_ = someFuncPtr;
}
fn foo(p: FooType) void {_ = p;}
export fn entry3() void {
_ = foo;
}
fn bar(p: @TypeOf(null)) void {_ = p;}
export fn entry4() void {
_ = bar;
}
// error
// backend=stage2
// target=native
//
// :3:28: error: parameter of opaque type 'tmp.FooType' not allowed
// :1:17: note: opaque declared here
// :8:28: error: parameter of type '@TypeOf(null)' not allowed
// :12:8: error: parameter of opaque type 'tmp.FooType' not allowed
// :17:8: error: parameter of type '@TypeOf(null)' not allowed