End of Life Ruby 3.0 has reached end of life and gets no more fixes. Switch to Ruby 4.0 →

instance method

UnboundMethod#source_location

meth.source_location → [String, Integer]

VALUE
rb_method_location(VALUE method)
{
    return method_def_location(rb_method_def(method));
}

Returns the Ruby source filename and line number containing this method or nil if this method was not defined in Ruby (i.e. native).

See also #parameters #super_method #owner #to_s also in 4.1 · 4.0 · 3.4 · 3.3 · 3.2 · 3.1