diff options
Diffstat (limited to 'src/interp/define.boot')
| -rw-r--r-- | src/interp/define.boot | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/interp/define.boot b/src/interp/define.boot index 1d7a12d6..acca5b76 100644 --- a/src/interp/define.boot +++ b/src/interp/define.boot @@ -1245,12 +1245,12 @@ orderByDependency(vl,dl) == for v in vl for d in dl | symbolMember?(v,d) repeat (SAY(v," depends on itself"); fatalError:= true) fatalError => userError '"Parameter specification error" - until (null vl) repeat + until vl = nil repeat newl:= [v for v in vl for d in dl | null intersection(d,vl)] or return nil orderedVarList:= [:newl,:orderedVarList] - vl':= setDifference(vl,newl) - dl':= [setDifference(d,newl) for x in vl for d in dl + vl' := setDifference(vl,newl) + dl' := [setDifference(d,newl) for x in vl for d in dl | symbolMember?(x,vl')] vl := vl' dl := dl' |