Class: Array

Inherits:
Object
  • Object
show all
Defined in:
lib/sunrise/core_ext/array.rb

Direct Known Subclasses

Sunrise::Plugins

Instance Method Summary collapse

Instance Method Details

#chunk(pieces) ⇒ Object 



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# File 'lib/sunrise/core_ext/array.rb', line 4

def chunk(pieces)
  q, r = length.divmod(pieces)
  (0..pieces).map { |i| i * q + [r, i].min }.enum_cons(2) \
  .map { |a, b| slice(a...b) }
end

#random ⇒ Object 



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# File 'lib/sunrise/core_ext/array.rb', line 18

def random
  idx = Kernel.rand(size)
  at(idx)
end

#shuffle ⇒ Object 



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# File 'lib/sunrise/core_ext/array.rb', line 10

def shuffle
  sort_by { rand }
end

#shuffle! ⇒ Object 



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# File 'lib/sunrise/core_ext/array.rb', line 14

def shuffle!
  self.replace shuffle
end