qrazhan/perl5i — comment on commit 0b0b2df4d67b26679c41795e924a0fa0ab4f4044
File: t/pick.t line 40
By schwern:

An optimization is to calculate `safe_key($elem)` outside the grep. This is a test, so optimizing isn't important, but its good practice to look for things you can pull outside a loop.