Class: Hash

Inherits:

Object

• Object
• Hash

Defined in:

lib/hash/inverse.rb

Overview

inverse from Tilo Sloboda (now in facets)

Direct Known Subclasses

Mspire::Ident::Pepxml::EnzymaticSearchConstraint, Mspire::Ident::Pepxml::Parameters, Mspire::MolecularFormula

Instance Method Summary

• #inverse ⇒ Object

Instance Method Details

#inverse ⇒ Object

# File 'lib/hash/inverse.rb', line 6

def inverse
  i = Hash.new
  self.each_pair do |k,v|
    if (Array === v) ; v.each{ |x| i[x] = ( i.has_key?(x) ? [k,i[x]].flatten : k ) }
    else ; i[v] = ( i.has_key?(v) ? [k,i[v]].flatten : k ) end
  end ; i  
end