Module: Enumerable

Defined in:
lib/iron/extensions/enumerable.rb

Instance Method Summary collapse

Instance Method Details

#convert_to_hash(init_val = nil) ⇒ Object

Converts an enumerable into a hash, by accepting an initial value or a block to compute the value for a given key.



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# File 'lib/iron/extensions/enumerable.rb', line 5

def convert_to_hash(init_val = nil)
  hash = {}
  self.each do |key|
    hash[key] = block_given? ? yield(key) : (init_val.dup rescue init_val)
  end
  hash
end

#delete_unless(&block) ⇒ Object

Inverse of delete_if, to be more Ruby-ish in cases where you want negated tests.



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# File 'lib/iron/extensions/enumerable.rb', line 15

def delete_unless(&block)
  delete_if {|*args| !block.call(*args)}
end