Enum syn_mid::Pat

pub enum Pat {
    Wild(PatWild),
    Ident(PatIdent),
    Struct(PatStruct),
    TupleStruct(PatTupleStruct),
    Path(PatPath),
    Tuple(PatTuple),
    Ref(PatRef),
}

A pattern in a local binding, function signature, match expression, or various other places.

Syntax tree enum

This type is a syntax tree enum.

Variants

Wild(PatWild)

A pattern that matches any value: _.

Ident(PatIdent)

A pattern that binds a new variable: ref mut binding.

Struct(PatStruct)

A struct or struct variant pattern: Variant { x, y, .. }.

TupleStruct(PatTupleStruct)

A tuple struct or tuple variant pattern: Variant(x, y, .., z).

Path(PatPath)

A path pattern like Color::Red.

Tuple(PatTuple)

A tuple pattern: (a, b).

Ref(PatRef)

A reference pattern: &mut (first, second).

Trait Implementations

impl From<Pat> for FnArg

fn from(e: Pat) -> FnArg

Performs the conversion.

impl From<PatWild> for Pat

fn from(e: PatWild) -> Pat

Performs the conversion.

impl From<PatIdent> for Pat

fn from(e: PatIdent) -> Pat

Performs the conversion.

impl From<PatStruct> for Pat

fn from(e: PatStruct) -> Pat

Performs the conversion.

impl From<PatTupleStruct> for Pat

fn from(e: PatTupleStruct) -> Pat

Performs the conversion.

impl From<PatPath> for Pat

fn from(e: PatPath) -> Pat

Performs the conversion.

impl From<PatTuple> for Pat

fn from(e: PatTuple) -> Pat

Performs the conversion.

impl From<PatRef> for Pat

fn from(e: PatRef) -> Pat

Performs the conversion.

impl ToTokens for Pat

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

Write self to the given TokenStream.

fn into_token_stream(self) -> TokenStream

Convert self directly into a TokenStream object.

impl Parse for Pat

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