On 1/17/14 11:43 AM, Walter Bright wrote:
On 1/17/2014 6:06 AM, "Ola Fosheim Grøstad"
<[email protected]>" wrote:
On Friday, 17 January 2014 at 01:42:38 UTC, Andrei Alexandrescu wrote:
One common idiom to replace null pointer exceptions with milder
reproducible
errors is the null object pattern, i.e. there is
Usually null failures are hard to track when some function returned a
null value
as an indication of error when the programmer expected an exception.
I've almost never had a problem tracking down the cause of a null
pointer. Usually just a few minutes with a debugger and getting a
backtrace.
I think this is bias that is countered by extensive experience of groups
at Facebook that have no axe to grind in the matter. This bias makes it
all the more difficult to recognize the importance of the problem.
Andrei
