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StringInterner

Struct StringInterner 

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pub struct StringInterner { /* private fields */ }
Expand description

Intern table mapping strings to unique u32 handles. Thread-safe for reads; mutation requires &mut.

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impl StringInterner

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pub fn new() -> Self

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pub fn with_capacity(cap: usize) -> Self

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pub fn get_or_intern(&mut self, s: &str) -> InternedStr

Intern s, returning its handle. Idempotent.

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pub fn resolve(&self, idx: InternedStr) -> &str

Resolve handle back to string. Panics if idx out of range.

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pub fn try_resolve(&self, idx: InternedStr) -> Option<&str>

Try to resolve without panicking.

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pub fn lookup(&self, s: &str) -> Option<InternedStr>

Lookup without interning. Returns None if not present.

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pub fn len(&self) -> usize

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pub fn is_empty(&self) -> bool

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.