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rust-clippy/tests/ui/redundant_closure_call_late.rs

44 lines
1.1 KiB
Rust

// non rustfixable, see redundant_closure_call_fixable.rs
#![warn(clippy::redundant_closure_call)]
#![allow(clippy::needless_late_init)]
fn main() {
let mut i = 1;
// don't lint here, the closure is used more than once
let closure = |i| i + 1;
i = closure(3);
i = closure(4);
// lint here
let redun_closure = || 1;
i = redun_closure();
//~^ ERROR: closure called just once immediately after it was declared
//~| NOTE: `-D clippy::redundant-closure-call` implied by `-D warnings`
// shadowed closures are supported, lint here
let shadowed_closure = || 1;
i = shadowed_closure();
//~^ ERROR: closure called just once immediately after it was declared
let shadowed_closure = || 2;
i = shadowed_closure();
//~^ ERROR: closure called just once immediately after it was declared
// don't lint here
let shadowed_closure = || 2;
i = shadowed_closure();
i = shadowed_closure();
// Fix FP in #5916
let mut x;
let create = || 2 * 2;
x = create();
fun(move || {
x = create();
})
}
fn fun<T: 'static + FnMut()>(mut f: T) {
f();
}