Enum proc_macro2::TokenTree
source · [−]Expand description
A single token or a delimited sequence of token trees (e.g. [1, (), ..]
).
Variants
Group(Group)
A token stream surrounded by bracket delimiters.
Ident(Ident)
An identifier.
Punct(Punct)
A single punctuation character (+
, ,
, $
, etc.).
Literal(Literal)
A literal character ('a'
), string ("hello"
), number (2.3
), etc.
Implementations
Trait Implementations
sourceimpl Display for TokenTree
impl Display for TokenTree
Prints the token tree as a string that is supposed to be losslessly
convertible back into the same token tree (modulo spans), except for
possibly TokenTree::Group
s with Delimiter::None
delimiters and negative
numeric literals.
sourceimpl Extend<TokenTree> for TokenStream
impl Extend<TokenTree> for TokenStream
sourcefn extend<I: IntoIterator<Item = TokenTree>>(&mut self, streams: I)
fn extend<I: IntoIterator<Item = TokenTree>>(&mut self, streams: I)
Extends a collection with the contents of an iterator. Read more
sourcefn extend_one(&mut self, item: A)
fn extend_one(&mut self, item: A)
extend_one
)Extends a collection with exactly one element.
sourcefn extend_reserve(&mut self, additional: usize)
fn extend_reserve(&mut self, additional: usize)
extend_one
)Reserves capacity in a collection for the given number of additional elements. Read more
sourceimpl From<TokenTree> for TokenStream
impl From<TokenTree> for TokenStream
sourceimpl FromIterator<TokenTree> for TokenStream
impl FromIterator<TokenTree> for TokenStream
Collects a number of token trees into a single stream.
sourcefn from_iter<I: IntoIterator<Item = TokenTree>>(streams: I) -> Self
fn from_iter<I: IntoIterator<Item = TokenTree>>(streams: I) -> Self
Creates a value from an iterator. Read more
Auto Trait Implementations
impl RefUnwindSafe for TokenTree
impl !Send for TokenTree
impl !Sync for TokenTree
impl Unpin for TokenTree
impl UnwindSafe for TokenTree
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcefn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcefn clone_into(&self, target: &mut T)
fn clone_into(&self, target: &mut T)
toowned_clone_into
)Uses borrowed data to replace owned data, usually by cloning. Read more