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Prefer 'if let' over 'map() with side effects'

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This commit is contained in:
Corey Farwell 2015-12-10 19:23:07 -05:00
parent fe01f140d8
commit 6952d256d4
1 changed files with 12 additions and 4 deletions
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16
components/script/dom/xmlhttprequest.rs
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@ -577,12 +577,20 @@ impl XMLHttpRequestMethods for XMLHttpRequest {
let mut buf = String::new();
buf.push_str(&referer_url.scheme);
buf.push_str("://");
referer_url.serialize_host().map(|ref h| buf.push_str(h));
referer_url.port().as_ref().map(|&p| {
if let Some(ref h) = referer_url.serialize_host() {
buf.push_str(h);
}
if let Some(ref p) = referer_url.port().as_ref() {
buf.push_str(":");
buf.push_str(&p.to_string());
});
referer_url.serialize_path().map(|ref h| buf.push_str(h));
}
if let Some(ref h) = referer_url.serialize_path() {
buf.push_str(h);
}
self.request_headers.borrow_mut().set_raw("Referer".to_owned(), vec![buf.into_bytes()]);
},
Ok(Some(ref req)) => self.insert_trusted_header("origin".to_owned(),