Class: Array

Inherits:
Object show all
Defined in:
lib/ethereum/core_ext/object/truth.rb,
lib/ethereum/core_ext/array/safe_slice.rb

Direct Known Subclasses

Ethereum::Trie::NibbleKey

Instance Method Summary collapse

Instance Method Details

#false? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ethereum/core_ext/object/truth.rb', line 14

def false?
  empty?
end

#safe_slice(*args) ⇒ Object 



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

def safe_slice(*args)
  if args.size == 2
    return [] if args[1] == 0
    slice(args[0], args[1]) || []
  elsif args.size == 1
    if args[0].instance_of?(Range)
      slice(args[0]) || []
    else
      slice(args[0])
    end
  else
    slice(*args)
  end
end