|Bill Allombert on Wed, 12 Mar 2003 16:49:00 +0100|
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|Re: trap()ing user errors|
On Wed, Mar 12, 2003 at 04:35:28PM +0100, Bill Allombert wrote: > Hello PARI-Dev, > What is lacking to trap, in my opinion: > 1) REC is not provided with error code/error message > 2) We cannot trap 'everything but that error'. > 3) No GP2C support. and 4) proper rewinding of local variables after an error. As such trap(,REC,) is dangerous to use: parisize = 4000000, primelimit = 500000 ? f(x)=local(V);V=x; error("Boum"); ? V=2; ? trap(,1,f(3)); ? print(V) 3 Cheers, Bill.