Enum `Lit`

#[non_exhaustive]
pub enum Lit

A Rust literal such as a string or integer or boolean.

Syntax tree enum

This type is a syntax tree enum.

Variants

Str(LitStr)

A UTF-8 string literal: "foo".

ByteStr(LitByteStr)

A byte string literal: b"foo".

CStr(LitCStr)

A nul-terminated C-string literal: c"foo".

Byte(LitByte)

A byte literal: b'f'.

Char(LitChar)

A character literal: 'a'.

Int(LitInt)

An integer literal: 1 or 1u16.

Float(LitFloat)

A floating point literal: 1f64 or 1.0e10f64.

Must be finite. May not be infinite or NaN.

Bool(LitBool)

A boolean literal: true or false.

Verbatim(Literal)

A raw token literal not interpreted by Syn.

Implementations

`impl Lit`

fn new(token: Literal) -> Self: Interpret a Syn literal from a proc-macro2 literal.
fn suffix(&self) -> &str
fn span(&self) -> Span
fn set_span(&mut self, span: Span)

Trait Implementations

`impl Clone for Lit`

fn clone(&self) -> Self

`impl Parse for Lit`

fn parse(input: ParseStream<'_>) -> Result<Self>

`impl ToTokens for Lit`

fn to_tokens(&self, tokens: &mut TokenStream)

`impl Token for Lit`

Auto Trait Implementations

`impl !Send for Lit`

`impl !Sync for Lit`

`impl Freeze for Lit`

`impl RefUnwindSafe for Lit`

`impl Unpin for Lit`

`impl UnsafeUnpin for Lit`

`impl UnwindSafe for Lit`

Blanket Implementations

`impl<T> Any for Lit where T: 'static + ?Sized,`

fn type_id(&self) -> TypeId

`impl<T> Borrow<T> for Lit where T: ?Sized,`

fn borrow(&self) -> &T

`impl<T> BorrowMut<T> for Lit where T: ?Sized,`

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

`impl<T> CloneToUninit for Lit where T: Clone,`

unsafe fn clone_to_uninit(&self, dest: *mut u8)

`impl<T> From<T> for Lit`

fn from(t: T) -> T: Returns the argument unchanged.

`impl<T> Spanned for Lit where T: Spanned + ?Sized,`

fn span(&self) -> Span

`impl<T> ToOwned for Lit where T: Clone,`

type Owned = T;
fn to_owned(&self) -> T
fn clone_into(&self, target: &mut T)

`impl<T, U> Into for Lit where U: From<T>,`

fn into(self) -> U

Calls U::from(self).

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

`impl<T, U> TryFrom for Lit where U: Into<T>,`

type Error = never;
fn try_from(value: U) -> Result<T, never>

`impl<T, U> TryInto for Lit where U: TryFrom<T>,`

type Error = >::Error;
fn try_into(self) -> Result<U, >::Error>