Sha256: 0bf549c017d695edb100dc6f996e2cc27a43bf789b34c655b59c4a44131c7574
Contents?: true
Size: 399 Bytes
Versions: 10
Compression:
Stored size: 399 Bytes
Contents
module Kernel
# Like #respond_to? but returns the result of the call
# if it does indeed respond.
#
# class X
# def f; "f"; end
# end
#
# x = X.new
# x.respond(:f) #=> "f"
# x.respond(:g) #=> nil
#
# CREDIT: Trans
def respond(sym, *args)
return nil if not respond_to?(sym)
send(sym, *args)
end
alias_method :respond_with_value, :respond
end
Version data entries
10 entries across 10 versions & 1 rubygems