Class: Hashformer::Generate::Map

Inherits:
Object
  • Object
show all
Defined in:
lib/hashformer/generate.rb

Overview

Internal representation of a mapping transformation. Do not instantiate directly; call Hashformer::Generate.map (or HF::G.map) instead.

Instance Method Summary collapse

Constructor Details

#initialize(*keys_or_callables, &block) ⇒ Map

Returns a new instance of Map.



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# File 'lib/hashformer/generate.rb', line 15

def initialize(*keys_or_callables, &block)
  @keys = keys_or_callables
  @block = block
end

Instance Method Details

#call(input_hash) ⇒ Object

Called to process the map on the given input_hash



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# File 'lib/hashformer/generate.rb', line 21

def call(input_hash)
  values = @keys.map{|k| Hashformer.get_value(input_hash, k)}
  values = @block.call(*values) if @block
  values
end