Sha256: 96507c7041aadf81c131284e422b1f2c11f87467ba0257303f2b6e468b0710a5
Contents?: true
Size: 701 Bytes
Versions: 66
Compression:
Stored size: 701 Bytes
Contents
# This module defines some methods for walking the reference tree
# of various objects.
module RefCheck
# Build up a set of references.
def build_references(refs)
raise 'Circular reference' if @_visited
@_visited = true
if respond_to?(:all_refs)
all_refs.each do |ref|
refs[ref.to_s] = 1
end
end
ref_children.each do |elem|
elem.build_references(refs) if elem.respond_to?(:build_references)
end
@_visited = nil
refs
end
def ref_children
[]
end
end
# Mixin to Array
class Array
include RefCheck
def ref_children
self
end
end
# Mixin to Array
class Hash
include RefCheck
def ref_children
values
end
end
Version data entries
66 entries across 66 versions & 1 rubygems