Struct rustc_ast::ast::MetaItemLit

pub struct MetaItemLit {
    pub symbol: Symbol,
    pub suffix: Option<Symbol>,
    pub kind: LitKind,
    pub span: Span,
}

A literal in a meta item.

Fields

symbol: Symbol

The original literal as written in the source code.

suffix: Option<Symbol>

The original suffix as written in the source code.

kind: LitKind

The “semantic” representation of the literal lowered from the original tokens. Strings are unescaped, hexadecimal forms are eliminated, etc.

span: Span

Implementations

impl MetaItemLit

pub fn from_token_lit(
    token_lit: Lit,
    span: Span
) -> Result<MetaItemLit, LitError>

Converts a token literal into a meta item literal.

pub fn as_token_lit(&self) -> Lit

Cheaply converts a meta item literal into a token literal.

pub fn from_token(token: &Token) -> Option<MetaItemLit>

Converts an arbitrary token into meta item literal.

Trait Implementations

impl Clone for MetaItemLit

fn clone(&self) -> MetaItemLit

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MetaItemLit

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

Formats the value using the given formatter.

impl<__D: Decoder> Decodable<__D> for MetaItemLit

fn decode(__decoder: &mut __D) -> Self

impl<__E: Encoder> Encodable<__E> for MetaItemLit

fn encode(&self, __encoder: &mut __E)

impl<__CTX> HashStable<__CTX> for MetaItemLitwhere
    __CTX: HashStableContext,

fn hash_stable(&self, __hcx: &mut __CTX, __hasher: &mut StableHasher)

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: 40 bytes