Load all Hash core
extensions.
Required files
facets/hash/alias.rb
facets/hash/argumentize.rb
facets/hash/at.rb
facets/hash/autonew.rb
facets/hash/collate.rb
facets/hash/count.rb
facets/hash/data.rb
facets/hash/dearray_values.rb
facets/hash/deep_merge.rb
facets/hash/delete.rb
facets/hash/delete_at.rb
facets/hash/delete_unless.rb
facets/hash/delete_values.rb
facets/hash/diff.rb
facets/hash/except.rb
facets/hash/graph.rb
facets/hash/insert.rb
facets/hash/inverse.rb
facets/hash/join.rb
facets/hash/keys.rb
facets/hash/mash.rb
facets/hash/new_with.rb
facets/hash/op.rb
facets/hash/op_add.rb
facets/hash/op_and.rb
facets/hash/op_mul.rb
facets/hash/op_or.rb
facets/hash/op_push.rb
facets/hash/op_sub.rb
facets/hash/recurse.rb
facets/hash/recursively.rb
facets/hash/rekey.rb
facets/hash/replace_each.rb
facets/hash/reverse_merge.rb
facets/hash/select.rb
facets/hash/slice.rb
facets/hash/stringify_keys.rb
facets/hash/subset.rb
facets/hash/swap.rb
facets/hash/symbolize_keys.rb
facets/hash/to_h.rb
facets/hash/to_mod.rb
facets/hash/to_options.rb
facets/hash/to_proc.rb
facets/hash/to_struct.rb
facets/hash/traverse.rb
facets/hash/update.rb
facets/hash/update_each.rb
facets/hash/update_keys.rb
facets/hash/update_values.rb
facets/hash/weave.rb
facets/hash/zip.rb