[Python-ideas] Create a StringBuilder class and use it everywhere

[Greg Ewing]

k_bx wrote:

> The most popular (as from what I can see) thing right now where people start seeing
> that += is slow is when they try to do that on PyPy (which doesn't have hack like CPython,
> who is still slow) and ask "why my pypy code is sooooo slow".

To me that suggests it may have been a mistake to try to
optimise += at all in CPython, as it gives people misleading
expectations.

-- 
Greg