Class: Hash

Inherits:

Object

• Object
• Hash

Defined in:

lib/rubyhacks.rb

Direct Known Subclasses

FloatHash

Instance Method Summary

• #+(other) ⇒ Object
• #expand_bools ⇒ Object
• #modify(hash, excludes = []) ⇒ Object (also: #absorb)
• #random ⇒ Object
• #random_key ⇒ Object
• #random_value ⇒ Object

Instance Method Details

#+(other) ⇒ Object

Raises:

• (TypeError)

# File 'lib/rubyhacks.rb', line 404

def +(other)
	temp = {}
	raise TypeError unless other.class == Hash
	self.each do |key, value|
		raise "Non unique key set for Hash + Hash" unless other[key].class == NilClass
		temp[key] = value
	end
	other.each do |key, value|
		raise "Non unique key set for Hash + Hash" unless self[key].class == NilClass
		temp[key] = value
	end
	return temp
end

#expand_bools ⇒ Object

# File 'lib/rubyhacks.rb', line 444

def expand_bools
	self[:true].each do |key|
		self[key] = true
	end
	self[:false].each do |key|
		self[key] = false
	end
	self
end

#modify(hash, excludes = []) ⇒ Object Also known as: absorb

# File 'lib/rubyhacks.rb', line 431

def modify(hash, excludes=[])
	hash.each do |key, value|
# 			p key
		begin
			self[key] = value.dup unless excludes.include? key
		rescue TypeError #immediate values cannot be dup'd
			self[key] = value unless excludes.include? key
		end
	end
	self
end

#random ⇒ Object

# File 'lib/rubyhacks.rb', line 427

def random
	key = random_key
	return {key =>  self[key]}
end

#random_key ⇒ Object

# File 'lib/rubyhacks.rb', line 423

def random_key
	keys.random
end

#random_value ⇒ Object

# File 'lib/rubyhacks.rb', line 419

def random_value
	self[random_key]
end