Class: Array

delete_one(val=nil)

This method returns a given element from the array, deleting it from the array itself. The method returns nil if the element couldn‘t be found.

If nil is specified, a random element is returned and deleted.

[Source]

     # File lib/rbot/core/utils/extends.rb, line 100
100:   def delete_one(val=nil)
101:     return nil if self.empty?
102:     if val.nil?
103:       index = rand(self.length)
104:     else
105:       index = self.index(val)
106:       return nil unless index
107:     end
108:     self.delete_at(index)
109:   end

pick_one()

This method returns a random element from the array, or nil if the array is empty

[Source]

    # File lib/rbot/core/utils/extends.rb, line 90
90:   def pick_one
91:     return nil if self.empty?
92:     self[rand(self.length)]
93:   end

shuffle()

[Source]

     # File lib/rbot/core/utils/extends.rb, line 116
116:     def shuffle
117:       sort_by { rand }
118:     end

shuffle!()

[Source]

     # File lib/rbot/core/utils/extends.rb, line 123
123:     def shuffle!
124:       replace shuffle
125:     end

Methods

Public Instance methods