Class: Pull::Map

Inherits:
Object
  • Object
show all
Defined in:
lib/pull/through/map.rb

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ Map

Returns a new instance of Map.



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# File 'lib/pull/through/map.rb', line 5

def initialize(&block)
  @block = block
end

Instance Method Details

#call(read) ⇒ Object 



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# File 'lib/pull/through/map.rb', line 9

def call(read)
  -> (finish, callback) {
    if finish
      on_abort.()
      return nil
    end

    read.(nil, -> (value) {
      callback.(block.call(value))
    })
  }
end