1 error[E0308]: mismatched types
2 --> $DIR/issue-1448-2.rs:6:24
4 LL | println!("{}", foo(10i32));
5 | --- ^^^^^ expected `u32`, found `i32`
7 | arguments to this function are incorrect
9 note: function defined here
10 --> $DIR/issue-1448-2.rs:3:4
12 LL | fn foo(a: u32) -> u32 { a }
14 help: change the type of the numeric literal from `i32` to `u32`
16 LL | println!("{}", foo(10u32));
19 error: aborting due to previous error
21 For more information about this error, try `rustc --explain E0308`.