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| author | dos-reis <gdr@axiomatics.org> | 2011-04-22 15:51:57 +0000 |
|---|---|---|
| committer | dos-reis <gdr@axiomatics.org> | 2011-04-22 15:51:57 +0000 |
| commit | 32efd3b0691918cf1d662b095c653d5a0a17ff7b (patch) | |
| tree | b340c1d23d752542fe88fd80ae6d559198c0b263 /src/interp/sys-utility.boot | |
| parent | b0046ba3929c513a399fd1ebb84dee1712c55a02 (diff) | |
| download | open-axiom-32efd3b0691918cf1d662b095c653d5a0a17ff7b.tar.gz | |
more cleanup
Diffstat (limited to 'src/interp/sys-utility.boot')
| -rw-r--r-- | src/interp/sys-utility.boot | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/src/interp/sys-utility.boot b/src/interp/sys-utility.boot index 6895926e..6d9bf52c 100644 --- a/src/interp/sys-utility.boot +++ b/src/interp/sys-utility.boot @@ -392,24 +392,3 @@ symbolLassoc(s,l) == p := symbolAssoc(s,l) => rest p nil - ---% substitute - -substitute(new,old,tree) == - sameObject?(old,tree) => new - cons? tree => - h := substitute(new,old,first tree) - t := substitute(new,old,rest tree) - sameObject?(h,first tree) and sameObject?(t,rest tree) => tree - [h,:t] - tree - -substitute!(new,old,tree) == - sameObject?(old,tree) => new - cons? tree => - h := substitute!(new,old,first tree) - t := substitute!(new,old,rest tree) - tree.first := h - tree.rest := t - tree - |