rustc_proc_macro

Struct ConcatTreesHelper

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pub(crate) struct ConcatTreesHelper {
    pub(crate) trees: Vec<TokenTree<TokenStream, Span, Symbol>>,
}
Expand description

Non-generic helper for implementing FromIterator<TokenTree> and Extend<TokenTree> with less monomorphization in calling crates.

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§trees: Vec<TokenTree<TokenStream, Span, Symbol>>

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impl ConcatTreesHelper

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pub(crate) fn new(capacity: usize) -> Self

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pub(crate) fn push(&mut self, tree: TokenTree)

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pub(crate) fn build(self) -> TokenStream

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pub(crate) fn append_to(self, stream: &mut TokenStream)

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impl<T> Any for T
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fn borrow_mut(&mut self) -> &mut T

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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
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type Error = Infallible

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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.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 24 bytes