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Contents
module MoreCoreExtensions
module ObjectDeepSend
#
# Invokes the specified methods continuously, unless encountering a nil value.
#
# 10.deep_send("to_s.length") # => 2
# 10.deep_send("to_s", "length") # => 2
# 10.deep_send(:to_s, :length) # => 2
# 10.deep_send(["to_s", "length"]) # => 2
# [].deep_send("first.length") # => nil
#
def deep_send(*args)
args = args.first.dup if args.length == 1 && args.first.kind_of?(Array)
args = args.shift.to_s.strip.split('.') + args
arg = args.shift
raise ArgumentError if arg.nil?
result = send(arg)
return nil if result.nil?
return result if args.empty?
result.deep_send(args)
end
end
end
Object.send(:include, MoreCoreExtensions::ObjectDeepSend)
Version data entries
4 entries across 4 versions & 1 rubygems