blob: 4ab48e4f92efff6a4e0b12295037e0803763ec7e [file] [edit]
//@no-rustfix: the suggestion substitutes a literal into the inner fold's
// init position, which makes the inner fold lintable in a second pass, so a
// single rustfix application does not reach a fixpoint (`cargo fix` converges
// by iterating).
#![warn(clippy::unnecessary_fold)]
fn main() {
let opt: Option<i32> = Some(2);
let opt2: Option<i32> = Some(4);
// Only the outer fold is linted: the inner fold's init is the outer
// closure's accumulator parameter.
let _ = opt.iter().fold(0, |acc, x| opt2.iter().fold(acc, |a, b| a + b) + x);
//~^ unnecessary_fold
}