method
def_method
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def_method(mod, methodname, fname='(ERB)')
public
Define methodname as instance method of mod from compiled ruby source.
example:
filename = 'example.rhtml' # 'arg1' and 'arg2' are used in example.rhtml erb = ERB.new(File.read(filename)) erb.def_method(MyClass, 'render(arg1, arg2)', filename) print MyClass.new.render('foo', 123)