pub enum Delimiter {
Parenthesis,
Brace,
Bracket,
None,
}Expand description
Describes how a sequence of token trees is delimited.
Variants§
Parenthesis
( ... )
Brace
{ ... }
Bracket
[ ... ]
None
Ø ... Ø
An implicit delimiter, that may, for example, appear around tokens
coming from a “macro variable” $var. It is important to preserve
operator priorities in cases like $var * 3 where $var is 1 + 2.
Implicit delimiters may not survive roundtrip of a token stream through
a string.
Trait Implementations§
impl Copy for Delimiter
impl StructuralPartialEq for Delimiter
impl TrivialClone for Delimiter
Auto Trait Implementations§
impl Freeze for Delimiter
impl RefUnwindSafe for Delimiter
impl Send for Delimiter
impl Sync for Delimiter
impl Unpin for Delimiter
impl UnwindSafe for Delimiter
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§impl<T> SizedTypeProperties for T
impl<T> SizedTypeProperties for T
Source§#[doc(hidden)]const SIZE: usize = _
#[doc(hidden)]const SIZE: usize = _
🔬This is a nightly-only experimental API. (
sized_type_properties)Source§#[doc(hidden)]const ALIGN: usize = _
#[doc(hidden)]const ALIGN: usize = _
🔬This is a nightly-only experimental API. (
sized_type_properties)Source§#[doc(hidden)]const IS_ZST: bool = _
#[doc(hidden)]const IS_ZST: bool = _
🔬This is a nightly-only experimental API. (
sized_type_properties)Source§#[doc(hidden)]const LAYOUT: Layout = _
#[doc(hidden)]const LAYOUT: Layout = _
🔬This is a nightly-only experimental API. (
sized_type_properties)Source§#[doc(hidden)]const MAX_SLICE_LEN: usize = _
#[doc(hidden)]const MAX_SLICE_LEN: usize = _
🔬This is a nightly-only experimental API. (
sized_type_properties)The largest safe length for a
[Self]. Read more