On 1/22/19 3:08 AM, tors...@robitzki.de wrote:
> three use cases:
>
> - Checking for empty lists (I’ve showed him that this can be done
> by a string compare).
> - Checking for lists having more than 1 entry
> - Checking for equal size of two lists. For example, if you want
> to pass pairs or tuples to a function. (example: f(firsts seconds))
Rather than a special `if` syntax, perhaps we could introduce an
explicit `$LIST_LENGTH{mylist}` syntax. One would need to experiment
to see if modifying the variable expansion parser (under CMP0053 NEW
behavior only) to support this would have a significant performance
impact.
-Brad
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