Method: Set#delete_if
- Defined in:
- lib/set.rb
#delete_if(&block) ⇒ Object
Deletes every element of the set for which block evaluates to true, and returns self. Returns an enumerator if no block is given.
546 547 548 549 550 551 552 |
# File 'lib/set.rb', line 546 def delete_if(&block) block_given? or return enum_for(__method__) { size } # Instead of directly using @hash.delete_if, perform enumeration # using self.each that subclasses may override. select(&block).each { |o| @hash.delete(o) } self end |