File: slice-iter-fold.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (12 lines) | stat: -rw-r--r-- 285 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
 
//@ compile-flags: -O
#![crate_type = "lib"]

// CHECK-LABEL: @slice_fold_to_last
#[no_mangle]
pub fn slice_fold_to_last(slice: &[i32]) -> Option<&i32> {
    // CHECK-NOT: loop
    // CHECK-NOT: br
    // CHECK-NOT: call
    // CHECK: ret
    slice.iter().fold(None, |_, i| Some(i))
}