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Replace an unidiomatic use of filter_map().

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This commit is contained in:
Ms2ger 2016-12-08 10:45:45 -10:00
parent c9370e04a5
commit fb456402b0
1 changed files with 3 additions and 5 deletions
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8
components/net/http_loader.rs
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@ -1248,11 +1248,9 @@ fn cors_preflight_fetch(request: Rc<Request>,
// Step 3, 4
let mut value = request.headers.borrow().iter()
.filter_map(|ref view| if is_simple_header(view) {
None
} else {
Some(UniCase(view.name().to_owned()))
}).collect::<Vec<UniCase<String>>>();
.filter(|view| !is_simple_header(view))
.map(|view| UniCase(view.name().to_owned()))
.collect::<Vec<UniCase<String>>>();
value.sort();
// Step 5