Enum BeamPattern 

pub enum BeamPattern {
    Wildcard,
    Var(String),
    LitInt(i64),
    LitAtom(String),
    LitString(String),
    Nil,
    Cons(Box<BeamPattern>, Box<BeamPattern>),
    Tuple(Vec<BeamPattern>),
    MapPat(Vec<(BeamExpr, BeamPattern)>),
    Alias(String, Box<BeamPattern>),
}

Patterns for BEAM case expressions.

Variants

Wildcard

Wildcard: matches anything, binds nothing

Var(String)

Variable binding: matches anything, binds to name

LitInt(i64)

Literal integer

LitAtom(String)

Literal atom

LitString(String)

Literal string

Nil

Nil pattern []

Cons(Box<BeamPattern>, Box<BeamPattern>)

Cons pattern [Head | Tail]

Tuple(Vec<BeamPattern>)

Tuple pattern {P1, P2, ...}

MapPat(Vec<(BeamExpr, BeamPattern)>)

Map pattern #{Key := Var, ...}

Alias(String, Box<BeamPattern>)

Alias pattern Var = Pattern

Trait Implementations

impl Clone for BeamPattern

fn clone(&self) -> BeamPattern

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for BeamPattern

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

Formats the value using the given formatter.