Thoughts on function names containing arbitrary symbols

[Walter Bright]

On 10/4/2011 2:46 AM, Jacob Carlborg wrote:
> What are the thoughts around here on function names containing arbitrary
> symbols, like in Scala. Example:
>
> void ::: (int a) {}

This, in effect, means "user defined tokens". The lexing pass will then become 
intertwined with semantic analysis. While possible, this will make the compiler 
slow, buggy, impossible to run the passes concurrently, hard to write 3rd party 
parsing tools, etc.