Method: Enumerable#filter

Defined in:

lib/enumerable_lz.rb

#filter {|el| ... } ⇒ Enumerator::Filter #filter(pattern) ⇒ Enumerator::Filter

Filter by pattern or block

Overloads:

• #filter {|el| ... } ⇒ Enumerator::Filter

  filter by block

  Yields:

  • (el) —

    filterring block.

  Yield Parameters:

  • el —

    each element of original Enumerable

  Yield Returns:

  • (Boolean)

  Returns:

  • (Enumerator::Filter)
• #filter(pattern) ⇒ Enumerator::Filter

  filter by pattern

  Parameters:

  • pattern (#===) —

    filterring pattern. (uses === method)

  Returns:

  • (Enumerator::Filter)

Yields:

• (el)

Returns:

• (Enumerator::Filter)

# File 'lib/enumerable_lz.rb', line 31

def filter pattern = nil, &block
  Enumerator::Filter.new self, pattern||block
end