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Contents
module Capistrano
module ProcHelpers
module_function
# Tests whether the given object appears to respond to `call` with
# zero parameters. In Capistrano, such a proc is used to represent a
# "deferred value". That is, a value that is resolved by invoking `call` at
# the time it is first needed.
def callable_without_parameters?(x)
x.respond_to?(:call) && (!x.respond_to?(:arity) || x.arity.zero?)
end
end
end
Version data entries
36 entries across 36 versions & 2 rubygems