Module: Unnatural::Fast

Defined in:
lib/unnatural/fast.rb

Defined Under Namespace

Modules: Ext

Class Method Summary collapse

Class Method Details

.compare(a, b) ⇒ Object 



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# File 'lib/unnatural/fast.rb', line 12

def self.compare(a, b)
  Ext.compare(a, a.size, b, b.size)
end

.sort(enumerable) ⇒ Object 



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# File 'lib/unnatural/fast.rb', line 16

def self.sort(enumerable)
  enumerable.sort { |a, b| compare(a, b) }
end

.sort_by(enumerable) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/unnatural/fast.rb', line 20

def self.sort_by(enumerable)
  raise ArgumentError, 'Block expected but none given' unless block_given?
  enumerable
    .map { |e| [(yield e), e] }
    .sort { |a, b| compare(a.first, b.first) }
    .map { |ary| ary[1] }
end