Map and Set use some exceptions for control flow that were being raised
with plain raise. This meant that stack traces were being created for
these exception that couldn't escape their outer function causing an
unfortunate performance loss. Raising these exceptions with
raise_without_backtrace avoids the performance problem.
Backport of #131 to 0.14
Map and Set use some exceptions for control flow that were being raised with plain
raise. This meant that stack traces were being created for these exception that couldn't escape their outer function causing an unfortunate performance loss. Raising these exceptions withraise_without_backtraceavoids the performance problem.Signed-off-by: Geoff Reedy geoff@programmer-monk.net