Module: Enumerable

Defined in:
lib/slab/enumerable.rb

Instance Method Summary collapse

Instance Method Details

#any_not?(&block) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/slab/enumerable.rb', line 3

def any_not?(&block)
  not all?(&block)
end

#hmap(&block) ⇒ Object 



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# File 'lib/slab/enumerable.rb', line 7

def hmap(&block)
  inject({}) { |hash, obj| hash[obj] = yield(obj); hash }
end

#hmap_pair(&block) ⇒ Object Also known as: build_hash 



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# File 'lib/slab/enumerable.rb', line 11

def hmap_pair(&block)
  inject({}) { |hash, obj| k,v = yield(obj); hash[k] = v; hash }
end

#inject_with_index(initial, &block) ⇒ Object 



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# File 'lib/slab/enumerable.rb', line 25

def inject_with_index(initial, &block)
  index = 0
  inject(initial) { |memo, obj| result = yield(memo, obj, index); index += 1; result }
end

#map_with_index ⇒ Object Also known as: collect_with_index 



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# File 'lib/slab/enumerable.rb', line 16

def map_with_index
  result = []
  each_with_index do |elt, idx|
    result << yield(elt, idx)
  end
  result
end