Commit d5c11bd9b3696f90e5c4e3d11b67440ea9470069 - rust-examples

Modify stack-based matcher to use while let Getty Ritter 9 years ago

1 changed file(s) with 1 addition(s) and 4 deletion(s). Collapse all Expand all

-4

regexp/src/re/stack.rs less more

14	14	* we'll short-circuit out of this loop; otherwise, an empty
15	15	* stack means we have failed every possible branch and can
16	16	* return false. */
17		while stack.len() > 0 {
18		/* This call to .unwrap() is safe because we've already
19		* manually checked the stack length. */
20		let st = stack.pop().unwrap();
	17	while let Some(st) = stack.pop() {
21	18	match instrs[st.pc] {
22	19	Instr::Char(_) if st.cc >= input.len() =>
23	20	continue,