23 lines
498 B
Rust
23 lines
498 B
Rust
#![feature(plugin)]
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#![plugin(clippy)]
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#[deny(used_underscore_binding)]
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fn main() {
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let foo = 0u32;
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prefix_underscore(foo); //should fail
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non_prefix_underscore(foo); //should pass
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unused_underscore(foo); //should pass
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}
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fn prefix_underscore(_x: u32){
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println!("{}", _x + 1); //~Error: Used binding which is prefixed with an underscore
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}
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fn non_prefix_underscore(some_foo: u32) {
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println!("{}", some_foo + 1);
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}
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fn unused_underscore(_foo: u32) {
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println!("{}", 1);
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}
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