30 lines
513 B
Rust
30 lines
513 B
Rust
//@aux-build:proc_macros.rs:proc-macro
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extern crate proc_macros;
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use proc_macros::external;
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#[warn(clippy::string_add)]
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#[allow(clippy::string_add_assign, unused)]
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fn main() {
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// ignores assignment distinction
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let mut x = String::new();
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for _ in 1..3 {
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x = x + ".";
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}
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let y = String::new();
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let z = y + "...";
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assert_eq!(&x, &z);
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let mut x = 1;
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x = x + 1;
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assert_eq!(2, x);
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external!({
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let y = "".to_owned();
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let z = y + "...";
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});
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}
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