Enum proc_macro2::Delimiter

[−] Show declaration

pub enum Delimiter {
    Parenthesis,
    Brace,
    Bracket,
    None,
}

[−] Expand description

Describes how a sequence of token trees is delimited.

Variants

Parenthesis

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( ... )

Brace

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{ ... }

Bracket

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[ ... ]

None

[−] Expand description

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 Clone for Delimiter[+]

[+] Show hidden undocumented items

fn clone(&self) -> Delimiter[−]

Returns a copy of the value.

pub fn clone_from(&mut self, source: &Self)[−]

Performs copy-assignment from source.

impl Copy for Delimiter

impl Debug for Delimiter[+]

[+] Show hidden undocumented items

fn fmt(&self, f: &mut Formatter<'_>) -> Result[−]

Formats the value using the given formatter.

impl Eq for Delimiter

impl PartialEq<Delimiter> for Delimiter[+]

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fn eq(&self, other: &Delimiter) -> bool[−]

This method tests for self and other values to be equal, and is used by ==.

[+] Expand attributes

#[must_use]pub fn ne(&self, other: &Rhs) -> bool[−]

This method tests for !=.

impl StructuralEq for Delimiter

impl StructuralPartialEq for Delimiter