blob: 77eae914fa1ca0aa019e84200d9b1f36ab3aae78 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
|
pub fn foo(params: Option<&[&str]>) -> usize {
params.unwrap().first().unwrap().len()
}
fn main() {
let name = "Foo";
let x = Some(&[name]);
let msg = foo(x);
//~^ ERROR mismatched types
//~| expected type `std::option::Option<&[&str]>`
//~| found type `std::option::Option<&[&str; 1]>`
//~| expected slice, found array of 1 elements
assert_eq!(msg, 3);
}
|
