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// aux-build:proc_macros.rs
#![warn(clippy::mem_replace_with_default)]
extern crate proc_macros;
use proc_macros::{external, inline_macros};
#[inline_macros]
fn main() {
let s = &mut String::from("foo");
inline!(std::mem::replace($s, Default::default()));
external!(std::mem::replace($s, Default::default()));
}
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