Sha256: 111abf27a9d01e9b7ec9bfa571da91e0180148e48c1626e703bb259489be0c8d
Contents?: true
Size: 616 Bytes
Versions: 13
Compression:
Stored size: 616 Bytes
Contents
require "facets/hash/except"
class Hash
unless defined?(::ActiveSupport) # ActiveSupport
# Returns a new hash with only the given keys.
def slice(*keep_keys)
h = {}
keep_keys.each do |key|
h[key] = fetch(key)
end
h
end
# Replaces hash with a new hash having only the given keys.
# This return the hash of keys removed.
#
# h = {:a=>1, :b=>2}
# h.slice!(:a) #=> {:a=>1}
# h #=> {:b=>2}
#
def slice!(*keep_keys)
removed = except(*keep_keys)
replace(slice(*keep_keys))
removed
end
end
end
Version data entries
13 entries across 13 versions & 2 rubygems