mirror of https://github.com/rust-lang/rust
85 lines
1.4 KiB
Rust
85 lines
1.4 KiB
Rust
macro_rules! borrow {
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($x:expr) => { &$x }
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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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struct S<'a> {
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u: &'a u32,
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}
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struct R {
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i: u32,
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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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//~^ ERROR mismatched types
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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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let u = 3;
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let s = S { u };
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//~^ ERROR mismatched types
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let s = S { u: u };
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//~^ ERROR mismatched types
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let i = &4;
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let r = R { i };
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//~^ ERROR mismatched types
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let r = R { i: i };
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//~^ ERROR mismatched types
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let a = &1;
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let b = &2;
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let val: i32 = if true {
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a + 1
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} else {
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b
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//~^ ERROR mismatched types
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};
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let val: i32 = if true {
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let _ = 2;
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a + 1
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} else {
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let _ = 2;
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b
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//~^ ERROR mismatched types
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};
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let val = if true {
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*a
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} else if true {
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//~^ ERROR incompatible types
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b
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} else {
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&0
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};
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#[derive(PartialEq, Eq)]
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struct Foo;
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let foo = Foo;
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let bar = &Foo;
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if foo == bar {
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//~^ ERROR mismatched types
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}
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}
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