w_uclass          830 marshal.c      	    w_uclass(obj, rb_cString, arg);
w_uclass          836 marshal.c                  w_uclass(obj, rb_cRegexp, arg);
w_uclass          846 marshal.c      	    w_uclass(obj, rb_cArray, arg);
w_uclass          862 marshal.c      	    w_uclass(obj, rb_cHash, arg);