Sha256: 00a873cbf86c8e05b63d62fe883c3bf9fd20569ade17daecd0e0e09c08f3fa98
Contents?: true
Size: 941 Bytes
Versions: 17
Compression:
Stored size: 941 Bytes
Contents
module Extlib
# Simple set implementation
# on top of Hash with merging support.
#
# In particular this is used to store
# a set of callable actions of controller.
class SimpleSet < Hash
# @param arr<Array> Initial set values.
#
# @return <Array> The array the Set was initialized with
def initialize(arr = [])
arr.each {|x| self[x] = true}
end
# @param value<Object> Value to add to set.
#
# @return <TrueClass>
def <<(value)
self[value] = true
end
# @param arr<Array> Values to merge with set.
#
# @return <SimpleSet> The set after the Array was merged in.
def merge(arr)
super(arr.inject({}) {|s,x| s[x] = true; s })
end
# @return <String> A human readable version of the set.
def inspect
"#<SimpleSet: {#{keys.map {|x| x.inspect}.join(", ")}}>"
end
# def to_a
alias_method :to_a, :keys
end # SimpleSet
end # Merb
Version data entries
17 entries across 17 versions & 4 rubygems