Replace an unidiomatic use of filter_map().

This commit is contained in:
Ms2ger 2016-12-08 10:45:45 -10:00
parent c9370e04a5
commit fb456402b0

View file

@ -1248,11 +1248,9 @@ fn cors_preflight_fetch(request: Rc<Request>,
// Step 3, 4 // Step 3, 4
let mut value = request.headers.borrow().iter() let mut value = request.headers.borrow().iter()
.filter_map(|ref view| if is_simple_header(view) { .filter(|view| !is_simple_header(view))
None .map(|view| UniCase(view.name().to_owned()))
} else { .collect::<Vec<UniCase<String>>>();
Some(UniCase(view.name().to_owned()))
}).collect::<Vec<UniCase<String>>>();
value.sort(); value.sort();
// Step 5 // Step 5