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Contents
module MethodOrProcHelper
# Many times throughout the views we want to either call a method on an object
# or instance_exec a proc passing in the object as the first parameter. This
# method takes care of this functionality.
#
# call_method_or_proc_on(@my_obj, :size) same as @my_obj.size
# OR
# proc = Proc.new{|s| s.size }
# call_method_or_proc_on(@my_obj, proc)
#
def call_method_or_proc_on(obj, symbol_or_proc, options = {})
exec = options[:exec].nil? ? true : options[:exec]
case symbol_or_proc
when Symbol, String
obj.send(symbol_or_proc.to_sym)
when Proc
if exec
instance_exec(obj, &symbol_or_proc)
else
symbol_or_proc.call(obj)
end
end
end
end
Version data entries
18 entries across 18 versions & 4 rubygems