bjoernager/rust
bjoernager/rust
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Use the new Entry::or_default method where possible.

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This commit is contained in:
Eduard-Mihai Burtescu 2018-07-21 22:43:31 +03:00
parent d5b6b95aef
commit 14aed81d9a
36 changed files with 133 additions and 149 deletions
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4
src/librustdoc/lib.rs
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@ -599,7 +599,7 @@ where R: 'static + Send, F: 'static + Send + FnOnce(Output) -> R {
/// returns a map mapping crate names to their paths or else an
/// error message.
fn parse_externs(matches: &getopts::Matches) -> Result<Externs, String> {
let mut externs = BTreeMap::new();
let mut externs: BTreeMap<_, BTreeSet<_>> = BTreeMap::new();
for arg in &matches.opt_strs("extern") {
let mut parts = arg.splitn(2, '=');
let name = parts.next().ok_or("--extern value must not be empty".to_string())?;
@ -607,7 +607,7 @@ fn parse_externs(matches: &getopts::Matches) -> Result<Externs, String> {
.ok_or("--extern value must be of the format `foo=bar`"
.to_string())?;
let name = name.to_string();
externs.entry(name).or_insert_with(BTreeSet::new).insert(location.to_string());
externs.entry(name).or_default().insert(location.to_string());
}
Ok(Externs::new(externs))
}