24 lines
580 B
Rust
Executable File
24 lines
580 B
Rust
Executable File
#![feature(plugin, collections)]
|
|
#![plugin(clippy)]
|
|
|
|
#[deny(cmp_owned)]
|
|
fn main() {
|
|
let x = "oh";
|
|
|
|
#[allow(str_to_string)]
|
|
fn with_to_string(x : &str) {
|
|
x != "foo".to_string(); //~ERROR this creates an owned instance
|
|
}
|
|
with_to_string(x);
|
|
|
|
x != "foo".to_owned(); //~ERROR this creates an owned instance
|
|
|
|
#[allow(deprecated)] // for from_str
|
|
fn old_timey(x : &str) {
|
|
x != String::from_str("foo"); //~ERROR this creates an owned instance
|
|
}
|
|
old_timey(x);
|
|
|
|
x != String::from("foo"); //~ERROR this creates an owned instance
|
|
}
|