Struct rustc_ast::ast::MetaItemLit

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

A literal in a meta item.

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§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§

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impl MetaItemLit

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

Converts a token literal into a meta item literal.

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pub fn as_token_lit(&self) -> Lit

Cheaply converts a meta item literal into a token literal.

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

Converts an arbitrary token into meta item literal.

Trait Implementations§

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impl Clone for MetaItemLit

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fn clone(&self) -> MetaItemLit

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for MetaItemLit

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

Formats the value using the given formatter. Read more
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impl<__D: Decoder> Decodable<__D> for MetaItemLit

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

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

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

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

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

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere
    T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere
    T: ?Sized,

const: unstable · source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere
    T: ?Sized,

const: unstable · source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

const: unstable · source§

fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere
    U: From<T>,

const: unstable · source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for Twhere
    T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere
    U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
const: unstable · source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere
    U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
const: unstable · source§

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: 40 bytes