Method: Hash#select

Defined in:
lib/source/ruby.rb

#select ⇒ Object

call-seq:

hsh.select { |key, value| block } -> array

Returns an array consisting of [key,value] pairs for which the block returns true. Also see Hash.values_at.

h = {:a => 100, :b => 200, :c => 300}

h.select {|k,v| v > 100 }   #=> [[:b, 200], [:c, 300]]
h.select {|k,v| v < 200}    #=> [[:a, 100]]



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# File 'lib/source/ruby.rb', line 3694

def select
  `var c=this.__contents__,result=[]`
  `for(var x in c){try{var kv=c[x];if(x.slice(1,2)=='_'&&$T(#{yield(`kv[0]`,`kv[1]`)})){result.push(kv);};}catch(e){switch(e.__keyword__){case 'next':if($T(e.__return__)){result.push(kv);};break;case 'break':return e.__return__;break;default:throw(e);};};}`
  return `result`
end