Class: Merb::SimpleSet

Inherits:
Hash show all
Defined in:
lib/merb-core/core_ext/set.rb

Instance Method Summary collapse

Methods inherited from Hash

#add_html_class!, #environmentize_keys!, #except, from_xml, #only, #protect_keys!, #to_mash, #to_params, #to_xml_attributes, #unprotect_keys!

Constructor Details

#initialize(arr = []) ⇒ SimpleSet

Parameters

arr<Array>

Initial set values.

Returns

Array

The array the Set was initialized with



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# File 'lib/merb-core/core_ext/set.rb', line 9

def initialize(arr = [])
  arr.each {|x| self[x] = true}
end

Instance Method Details

#<<(value) ⇒ Object

Parameters

value<Object>

Value to add to set.

Returns

true



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# File 'lib/merb-core/core_ext/set.rb', line 18

def <<(value)
  self[value] = true
end

#inspect ⇒ Object

Returns

String

A human readable version of the set.



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# File 'lib/merb-core/core_ext/set.rb', line 33

def inspect
  "#<SimpleSet: {#{keys.map {|x| x.inspect}.join(", ")}}>"
end

#merge(arr) ⇒ Object

Parameters

arr<Array>

Values to merge with set.

Returns

SimpleSet

The set after the Array was merged in.



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# File 'lib/merb-core/core_ext/set.rb', line 27

def merge(arr)
  super(arr.inject({}) {|s,x| s[x] = true; s })
end