Module: Gemmy::Patches::EnumeratorPatch::InstanceMethods::Graph

Defined in:
lib/gemmy/patches/enumerator_patch.rb

Overview

Facets Similar to map by (array => hash) but values are not wrapped in arrays iteration return val is [key, val]

Instance Method Summary collapse

Instance Method Details

#graph(&yld) ⇒ Object 



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# File 'lib/gemmy/patches/enumerator_patch.rb', line 11

def graph(&yld)
  if yld
    h = {}
    each do |*kv|
      r = yld[*kv]
      case r
      when Hash
        nk, nv = *r.to_a[0]
      when Range
        nk, nv = r.first, r.last
      else
        nk, nv = *r
      end
      h[nk] = nv
    end
    h
  else
    Enumerator.new(self,:graph)
  end
end