Enum erg_parser::ast::ParamPattern

pub enum ParamPattern {
    Discard(Token),
    VarName(VarName),
    Lit(Literal),
    List(ParamListPattern),
    Tuple(ParamTuplePattern),
    Record(ParamRecordPattern),
    Ref(VarName),
    RefMut(VarName),
}

関数定義や無名関数で使えるパターン

Variants

Discard(Token)

VarName(VarName)

Lit(Literal)

List(ParamListPattern)

Tuple(ParamTuplePattern)

Record(ParamRecordPattern)

Ref(VarName)

RefMut(VarName)

Implementations

impl ParamPattern

pub const fn inspect(&self) -> Option<&Str>

pub const fn is_lit(&self) -> bool

pub fn is_procedural(&self) -> bool

pub fn is_const(&self) -> bool

pub const fn name(&self) -> Option<&VarName>

Trait Implementations

impl Clone for ParamPattern

fn clone(&self) -> ParamPattern

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ParamPattern

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

Formats the value using the given formatter.

impl Display for ParamPattern

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

Formats the value using the given formatter.

impl Hash for ParamPattern

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, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Locational for ParamPattern

fn loc(&self) -> Location

NOTE: loc cannot be treated as a light method when self is a large grammatical element. If possible, delay the computation by passing &impl Locational or other means.

fn ln_begin(&self) -> Option<u32>

1-origin

fn ln_end(&self) -> Option<u32>

fn col_begin(&self) -> Option<u32>

0-origin

fn col_end(&self) -> Option<u32>

impl NestedDisplay for ParamPattern

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

impl PartialEq for ParamPattern

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

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

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

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

impl TryFrom<&ParamPattern> for ConstExpr

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: &ParamPattern) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<&ParamPattern> for Expr

type Error = ()

The type returned in the event of a conversion error.

fn try_from(value: &ParamPattern) -> Result<Self, Self::Error>

Performs the conversion.

impl Eq for ParamPattern

impl StructuralPartialEq for ParamPattern