Enum syntax::ast::LitKind

pub enum LitKind {
    Str(Symbol, StrStyle),
    ByteStr(Lrc<Vec<u8>>),
    Byte(u8),
    Char(char),
    Int(u128, LitIntType),
    Float(Symbol, FloatTy),
    FloatUnsuffixed(Symbol),
    Bool(bool),
}

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Literal kind.

E.g. "foo", 42, 12.34 or bool

Variants

Str(Symbol, StrStyle)

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A string literal ("foo")

ByteStr(Lrc<Vec<u8>>)

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A byte string (b"foo")

Byte(u8)

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A byte char (b'f')

Char(char)

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A character literal ('a')

Int(u128, LitIntType)

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An integer literal (1)

Float(Symbol, FloatTy)

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A float literal (1f64 or 1E10f64)

FloatUnsuffixed(Symbol)

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A float literal without a suffix (1.0 or 1.0E10)

Bool(bool)

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A boolean literal

Methods

impl LitKind

pub fn is_str(&self) -> bool

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Returns true if this literal is a string and false otherwise.

pub fn is_numeric(&self) -> bool

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Returns true if this is a numeric literal.

pub fn is_unsuffixed(&self) -> bool

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Returns true if this literal has no suffix. Note: this will return true for literals with prefixes such as raw strings and byte strings.

pub fn is_suffixed(&self) -> bool

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Returns true if this literal has a suffix.

impl LitKind

fn token(&self) -> Token

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fn from_token(token: Token) -> Option<LitKind>

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Trait Implementations

impl Clone for LitKind

fn clone(&self) -> LitKind

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Encodable for LitKind

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>

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impl Decodable for LitKind

fn decode<__D: Decoder>(d: &mut __D) -> Result<LitKind, __D::Error>

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impl Debug for LitKind

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

Formats the value using the given formatter.

impl Hash for LitKind

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where     H: Hasher,

Feeds a slice of this type into the given [Hasher].

impl PartialEq for LitKind

fn eq(&self, other: &LitKind) -> bool

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

fn ne(&self, other: &LitKind) -> bool

This method tests for !=.