Matcha (Matcha v0.1.1) View Source
First-class match specification and match patterns for Elixir.
The BEAM VM Match patterns and specs
Link to this section Summary
Link to this section Functions
Macro for building a Matcha.Pattern
.
The context
may be nil
, :table
, :trace
, or a Matcha.Context
module.
Examples
iex> require Matcha
...> Matcha.pattern({x, y})
#Matcha.Pattern<{:"$1", :"$2"}>
Macro for building a Matcha.Spec
.
The context
may be nil
, :table
, :trace
, or a Matcha.Context
module.
Examples
iex> require Matcha
...> Matcha.spec do
...> {x, y, x} -> {y, x}
...> end
#Matcha.Spec<[{{:"$1", :"$2", :"$1"}, [], [{{:"$2", :"$1"}}]}]>