class Sexp::Child

Matches anything that has a child matching the sub-expression

example:

s(s(s(s(s(:a))))) / s{ child(s(:a)) } #=> [s(s(s(s(s(:a))))),
                                           s(s(s(s(:a)))),
                                           s(s(s(:a))),
                                           s(s(:a)),
                                           s(:a)]

Attributes

child [R]

The child to match.

Public Class Methods

new (child)

Source

# File lib/sexp_matcher.rb, line 754
def initialize child
  @child = child
end

Create a Child matcher which will match anything having a descendant matching child.

Public Instance Methods

satisfy? (o)

Source

# File lib/sexp_matcher.rb, line 762
def satisfy? o
  child.satisfy?(o) ||
    (o.kind_of?(Sexp) && o.search_each(child).any?)
end

Satisfied if matches child or o has a descendant matching child.