1 \ #ident "%Z%%M% %I% %E% SMI"
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27 ." Stack Manipulation: "
28 " drop" 1 0 drop .passed?
29 " swap" 1 2 1 swap drop = .passed?
30 " nip" 1 0 1 nip - 0= .passed?
31 " over" 1 2 over 1 = nip nip .passed?
32 " dup" 1 dup = .passed?
33 " tuck" 2 1 tuck nip = .passed?
34 " rot" 3 2 1 rot 3 = nip nip .passed?
35 " -rot" 3 2 1 -rot 2 = nip nip .passed?
36 " 2rot" 1 2 3 4 5 6 2rot 2 = swap 1 = and swap 6 = and swap
37 5 = and swap 4 = and swap 3 = and .passed?
38 " 2dup" 1 -1 2dup + 0= nip nip .passed?
39 " ?dup" 0 1 ?dup = nip .passed?
40 " 2swap" 1 1 0 0 2swap and nip nip .passed?
41 " 2drop" 1 1 0 0 2drop and .passed?
42 " 2over" 1 2 0 0 2over 2swap 2drop rot = -rot = = .passed?
43 " roll" 1 2 3 4 3 roll 1 = nip nip nip .passed?
44 " depth" 0 0 depth 4 = nip nip .passed?
49 " >r" 3 1 >r 2 >r 3 = .passed?
50 " r@" 3 r@ 2 = nip .passed?
51 " r>" 3 r> 2 = r> 1 = and nip .passed?
53 : bail-test ( -- ) r> drop ;
54 : bail ( -- ) 1 bail-test drop 0 ;
55 " Manipulate" bail .passed?