Struct ArrPatElem 

pub struct ArrPatElem {
    pub pattern: Option<Pattern>,
    pub default: Option<Expression>,
    pub is_rest: bool,
}

配列パターンの 1 要素。

Fields

pattern: Option<Pattern>

None は穴 [a, , b]。

default: Option<Expression>

is_rest: bool

Trait Implementations

impl Clone for ArrPatElem

fn clone(&self) -> ArrPatElem

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ArrPatElem

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

Formats the value using the given formatter.

impl PartialEq for ArrPatElem

fn eq(&self, other: &ArrPatElem) -> 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 ArrPatElem