On Wed, Jun 12, 2013 at 10:58:50PM +1000, Joshua Root wrote: > On 2013-6-12 22:00 , Rainer Müller wrote: > > On 2013-06-12 08:05, Poor Yorick wrote: > >> use "eq" instead of "==" where appropriate > > > > Fine as well. > > What is the benefit of this? Is it just that the operands could > potentially be numerically equal but different strings, in cases where > we want an exact string match? >
It's mostly for performance, as "eq" allows Tcl to avoid the running the heuristics to determe what types of values are being compared, but there are edge cases where using "==" will use numerical comparison where string comparison was intended or vice versa. Borrowing from Python Zen, "Explicit is better than implicit". -- Yorick _______________________________________________ macports-dev mailing list macports-dev@lists.macosforge.org https://lists.macosforge.org/mailman/listinfo/macports-dev
