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Prefer 'if let' over 'map() with side effects'
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1 changed files with 12 additions and 4 deletions
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@ -577,12 +577,20 @@ impl XMLHttpRequestMethods for XMLHttpRequest {
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let mut buf = String::new();
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buf.push_str(&referer_url.scheme);
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buf.push_str("://");
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referer_url.serialize_host().map(|ref h| buf.push_str(h));
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referer_url.port().as_ref().map(|&p| {
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if let Some(ref h) = referer_url.serialize_host() {
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buf.push_str(h);
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}
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if let Some(ref p) = referer_url.port().as_ref() {
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buf.push_str(":");
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buf.push_str(&p.to_string());
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});
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referer_url.serialize_path().map(|ref h| buf.push_str(h));
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}
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if let Some(ref h) = referer_url.serialize_path() {
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buf.push_str(h);
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}
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self.request_headers.borrow_mut().set_raw("Referer".to_owned(), vec![buf.into_bytes()]);
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},
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Ok(Some(ref req)) => self.insert_trusted_header("origin".to_owned(),
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