On Thursday, 12 September 2013 at 05:00:11 UTC, deadalnix wrote:
The problem is that it can cause a exponential (and I literally
mean exponential here) amount of complexity.
The alternative is to go for some ambiguous function/template
parameters parsing and resolve at the end, but as template
argument are themselves ambiguous type/expression/symbols, the
amount of complexity in the parser is doomed to explode.
Pretty sure a GLR parser handles that well within O(n^2) space.
Nothing exponential necessary...
