Enum Def 

pub enum Def {
    Ident(DefIdent),
    Function(DefIdent, Box<Def>),
    AutoOr(Box<Def>),
    NoneOr(Box<Def>),
    AutoNoneOr(Box<Def>),
    NormalOr(Box<Def>),
    Type(DefType),
    StyleValue(DefType),
    FunctionType(DefType),
    Optional(Box<Def>),
    Combinator(Vec<Def>, DefCombinatorStyle),
    Group(Box<Def>, DefGroupStyle),
    Multiplier(Box<Def>, DefMultiplierSeparator, DefRange),
    Punct(char),
    IntLiteral(i32),
    DimensionLiteral(f32, String),
}

Variants

Ident(DefIdent)

Function(DefIdent, Box<Def>)

AutoOr(Box<Def>)

NoneOr(Box<Def>)

AutoNoneOr(Box<Def>)

NormalOr(Box<Def>)

Type(DefType)

StyleValue(DefType)

FunctionType(DefType)

Optional(Box<Def>)

Combinator(Vec<Def>, DefCombinatorStyle)

Group(Box<Def>, DefGroupStyle)

Multiplier(Box<Def>, DefMultiplierSeparator, DefRange)

Punct(char)

IntLiteral(i32)

DimensionLiteral(f32, String)

Implementations

impl Def

pub fn maybe_unsized(&self) -> bool

Returns true if this type is unsized, in other words it requires heap allocations to contain a full representation.

pub fn suggested_data_type(&self) -> DataType

pub fn optimize(&self) -> Self

pub fn keyword_prefix_name(&self) -> Option<&str>

Returns the keyword name if self is a keyword-optional-prefixed ordered sequence: either Group(Ordered([Optional(Ident(kw)), ...])) or a bare Combinator(Ordered, [Optional(Ident(kw)), ...]) (groups are elided by optimize()). These need a named helper struct so that Peek includes both the optional keyword and the required subsequent tokens.

Trait Implementations

impl Clone for Def

fn clone(&self) -> Def

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Def

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

Formats the value using the given formatter.

impl Parse for Def

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

impl PartialEq for Def

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for Def