Enum Pattern 

pub enum Pattern {
    Wildcard(Span),
    Literal(Expr),
    Binding {
        name: String,
        mutable: bool,
        span: Span,
    },
    Struct {
        name: String,
        fields: Vec<(String, Pattern)>,
        rest: bool,
        span: Span,
    },
    Tuple(Vec<Pattern>, Span),
    Variant {
        enum_name: Option<String>,
        variant: String,
        fields: VariantPatternFields,
        span: Span,
    },
    Slice {
        patterns: Vec<Pattern>,
        rest: Option<String>,
        span: Span,
    },
    Or(Vec<Pattern>, Span),
    Range {
        start: Option<Box<Expr>>,
        end: Option<Box<Expr>>,
        inclusive: bool,
        span: Span,
    },
}

Variants

Wildcard(Span)

Wildcard: _

Literal(Expr)

Literal: 1, "hello", true

Binding

Binding: x, mut x

Fields

name: String

mutable: bool

span: Span

Struct

Struct: Point { x, y }

Fields

name: String

fields: Vec<(String, Pattern)>

rest: bool

span: Span

Tuple(Vec<Pattern>, Span)

Tuple: (a, b, c)

Variant

Enum variant: Some(x), None

Fields

enum_name: Option<String>

variant: String

fields: VariantPatternFields

span: Span

Slice

Array/Slice: [first, rest @ ..]

Fields

patterns: Vec<Pattern>

rest: Option<String>

span: Span

Or(Vec<Pattern>, Span)

Or pattern: A | B

Range

Range: 1..10

Fields

start: Option<Box<Expr>>

end: Option<Box<Expr>>

inclusive: bool

span: Span

Trait Implementations

impl Clone for Pattern

fn clone(&self) -> Pattern

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Pattern

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

Formats the value using the given formatter.