rb_method_call    302 include/ruby/intern.h VALUE rb_method_call(int, VALUE*, VALUE);
rb_method_call   1566 proc.c             return rb_method_call(RARRAY_LEN(a), RARRAY_PTR(a), method);
rb_method_call   1839 proc.c             rb_define_method(rb_cMethod, "call", rb_method_call, -1);
rb_method_call   1840 proc.c             rb_define_method(rb_cMethod, "[]", rb_method_call, -1);