method
method_defined?
v2_5_5 -
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- Class:
Module
method_defined?(p1)public
Returns true if the named method is defined by mod (or its included modules and, if mod is a class, its ancestors). Public and protected methods are matched. String arguments are converted to symbols.
module A def method1() end def protected_method1() end protected :protected_method1 end class B def method2() end def private_method2() end private :private_method2 end class C < B include A def method3() end end A.method_defined? :method1 #=> true C.method_defined? "method1" #=> true C.method_defined? "method2" #=> true C.method_defined? "method3" #=> true C.method_defined? "protected_method1" #=> true C.method_defined? "method4" #=> false C.method_defined? "private_method2" #=> false
static VALUE
rb_mod_method_defined(VALUE mod, VALUE mid)
{
ID id = rb_check_id(&mid);
if (!id || !rb_method_boundp(mod, id, 1)) {
return Qfalse;
}
return Qtrue;
}