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62 lines
1.6 KiB
Rust
62 lines
1.6 KiB
Rust
fn empty() {}
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fn one_arg<T>(_a: T) {}
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fn two_arg_same(_a: i32, _b: i32) {}
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fn two_arg_diff(_a: i32, _b: &str) {}
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macro_rules! foo {
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($x:expr, ~) => {
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empty($x, 1); //~ ERROR function takes
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};
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($x:expr, $y:expr) => {
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empty($x, $y); //~ ERROR function takes
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};
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(~, $y:expr) => {
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empty(1, $y); //~ ERROR function takes
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};
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}
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fn main() {
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empty(""); //~ ERROR function takes
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empty(1, 1); //~ ERROR function takes
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one_arg(1, 1); //~ ERROR function takes
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one_arg(1, ""); //~ ERROR function takes
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one_arg(1, "", 1.0); //~ ERROR function takes
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two_arg_same(1, 1, 1); //~ ERROR function takes
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two_arg_same(1, 1, 1.0); //~ ERROR function takes
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two_arg_diff(1, 1, ""); //~ ERROR function takes
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two_arg_diff(1, "", ""); //~ ERROR function takes
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two_arg_diff(1, 1, "", ""); //~ ERROR function takes
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two_arg_diff(1, "", 1, ""); //~ ERROR function takes
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// Check with weird spacing and newlines
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two_arg_same(1, 1, ""); //~ ERROR function takes
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two_arg_diff(1, 1, ""); //~ ERROR function takes
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two_arg_same( //~ ERROR function takes
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1,
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1,
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""
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);
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two_arg_diff( //~ ERROR function takes
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1,
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1,
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""
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);
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// Check with macro expansions
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foo!(1, ~);
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foo!(~, 1);
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foo!(1, 1);
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one_arg(1, panic!()); //~ ERROR function takes
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one_arg(panic!(), 1); //~ ERROR function takes
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one_arg(stringify!($e), 1); //~ ERROR function takes
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// Not a macro, but this also has multiple spans with equal source code,
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// but different expansion contexts.
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// https://github.com/rust-lang/rust/issues/114255
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one_arg(for _ in 1.. {}, 1); //~ ERROR function takes
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}
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