31 lines
549 B
Rust
31 lines
549 B
Rust
macro_rules! borrow {
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($x:expr) => { &$x } //~ ERROR mismatched types
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}
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fn foo(_: String) {}
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fn foo2(s: &String) {
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foo(s);
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//~^ ERROR mismatched types
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}
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fn foo3(_: u32) {}
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fn foo4(u: &u32) {
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foo3(u);
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//~^ ERROR mismatched types
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}
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fn main() {
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let s = String::new();
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let r_s = &s;
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foo2(r_s);
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foo(&"aaa".to_owned());
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//~^ ERROR mismatched types
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foo(&mut "aaa".to_owned());
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//~^ ERROR mismatched types
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foo3(borrow!(0));
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foo4(&0);
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assert_eq!(3i32, &3i32);
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//~^ ERROR mismatched types
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}
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