Module: Kansuu::Enum

Extended by:
Util
Defined in:
lib/kansuu/enum.rb

Instance Method Summary collapse

Methods included from Util

__define_func_from_method, __define_funcs_from_method, __module_functionize

Instance Method Details

#initial ⇒ Object 



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# File 'lib/kansuu/enum.rb', line 115

def initial
  Kansuu::Func.withl[Kansuu::Enum.length >> Kansuu::Num.minus[1]] >>
    Kansuu::Func.app[Kansuu::Enum.take]
end

#pick ⇒ Object 



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# File 'lib/kansuu/enum.rb', line 101

def pick
  -> ns, xs {
    xs.values_at *ns
  } % 2
end

#range ⇒ Object 



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# File 'lib/kansuu/enum.rb', line 111

def range
  -> x, y { x..y } % 2
end

#sum ⇒ Object 



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# File 'lib/kansuu/enum.rb', line 107

def sum
  fold1[-> x, y { x + y }]
end

#tail ⇒ Object 



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# File 'lib/kansuu/enum.rb', line 120

def tail; drop[1] end

#zip ⇒ Object 



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# File 'lib/kansuu/enum.rb', line 93

def zip; zipl end

#zip_with ⇒ Object 



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# File 'lib/kansuu/enum.rb', line 95

def zip_with
  -> f, xs, ys {
    xs.zip(ys).map &Kansuu::Func.app[f]
  } % 3
end

#zipl ⇒ Object 



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# File 'lib/kansuu/enum.rb', line 91

def zipl; zipr.flip 2 end