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Add smartstring default feature.

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This commit is contained in:
Stephen Chung
2021-03-29 13:40:33 +08:00
parent fc6c5ecd00
commit 07efdddba3
11 changed files with 63 additions and 16 deletions
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14
src/utils.rs
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@@ -590,6 +590,7 @@ impl PartialOrd<ImmutableString> for String {
}
}
#[cfg(feature = "smartstring")]
impl From<ImmutableString> for Identifier {
#[inline(always)]
fn from(value: ImmutableString) -> Self {
@@ -597,6 +598,7 @@ impl From<ImmutableString> for Identifier {
}
}
#[cfg(feature = "smartstring")]
impl From<Identifier> for ImmutableString {
#[inline(always)]
fn from(value: Identifier) -> Self {
@@ -627,7 +629,15 @@ pub struct StringInterner(BTreeSet<Identifier>);
impl StringInterner {
/// Get an interned string, creating one if it is not yet interned.
#[inline(always)]
pub fn get(&mut self, text: impl AsRef<str>) -> Identifier {
text.as_ref().into()
pub fn get(&mut self, text: impl AsRef<str> + Into<Identifier>) -> Identifier {
#[cfg(feature = "smartstring")]
return text.as_ref().into();
#[cfg(not(feature = "smartstring"))]
return self.0.get(text.as_ref()).cloned().unwrap_or_else(|| {
let s: Identifier = text.into();
self.0.insert(s.clone());
s
});
}
}