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fix comment of roll

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This commit is contained in:
Koichi Nakamura 2021-12-04 19:21:55 +09:00
parent a4e5968359
commit 1238649a4c
1 changed files with 1 additions and 1 deletions
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2
lib/core.fs
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@ -17,7 +17,7 @@ s" Invalid argument" exception constant INVALID-ARGUMENT
;
defined? roll [unless]
: roll ( wn ... w1 n -- w1 wn ... w2 )
: roll ( w[n-1] ... w0 n -- w0 w[n-2] ... w0 w[n-1] )
dup 0<= if drop else swap >r 1- recurse r> swap then
;
[then]