24 lines
374 B
Rust
24 lines
374 B
Rust
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// aux-build:macro_rules.rs
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#![warn(clippy::mem_replace_with_default)]
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#[macro_use]
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extern crate macro_rules;
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use std::mem;
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macro_rules! take {
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($s:expr) => {
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std::mem::replace($s, Default::default())
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};
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}
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fn replace_with_default() {
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let s = &mut String::from("foo");
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take!(s);
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take_external!(s);
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}
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fn main() {
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replace_with_default();
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}
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