Class: Array

Inherits:
Object
  • Object
show all
Includes:
KeyDial, KeyDial::Coercion::Arrays
Defined in:
lib/key_dial.rb

Overview

Bring Array and Struct into parity with Hash for key? and fetch Will not redefine these methods if they already exist, either from some future Ruby version or another gem

Constant Summary

Constants included from KeyDial

KeyDial::VERSION

Instance Method Summary collapse

Methods included from KeyDial::Coercion::Arrays

included, #to_hash, #to_struct

Methods included from KeyDial

#call, #to_dial

Instance Method Details

#key?(key_obj) ⇒ Boolean

Returns true if this Array has the specified index.

Returns:

  • (Boolean) 


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# File 'lib/key_dial.rb', line 44

def key?(key_obj)
  if key_obj.is_a?(Numeric) && key_obj.respond_to?(:to_i)
    key = key_obj.to_i
    return key.magnitude + (key <= -1 ? 0 : 1) <= self.size
  else
    return false
  end
end

#keys ⇒ Object

Returns an Array of all the valid indices for this Array



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# File 'lib/key_dial.rb', line 54

def keys
  if self.size > 0
    return Array(0..(self.size - 1))
  else
    return []
  end
end