Revision c9391aaa376223018f7c8a4d2c92b9cffdb46cfb authored by chou86_e on 13 September 2008, 23:25:27 UTC, committed by chou86_e on 13 September 2008, 23:25:27 UTC
git-svn-id: https://svn.code.sf.net/p/ucblogo/code@199 fc4ef4ee-df3e-0410-84de-fb01f5d6c4f7
1 parent 063fd0f
runresult
RUNRESULT instructionlist
runs the instructions in the input; outputs an empty list if
those instructions produce no output, or a list whose only
member is the output from running the input instructionlist.
Useful for inventing command-or-operation control structures:
local "result
make "result runresult [something]
if emptyp :result [stop]
output first :result
Computing file changes ...
