mod.public_method_defined?(symbol) â true or false
Instance Public methods
Returns true
if the named public method is defined by
mod (or its included modules and, if mod is a class, its
ancestors).
module A def method1() end end class B protected def method2() end end class C < B include A def method3() end end A.method_defined? :method1 #=> true C.public_method_defined? "method1" #=> true C.public_method_defined? "method2" #=> false C.method_defined? "method2" #=> true
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