On 24/02/2019 20:36, R.Wieser wrote:
> Richard,
>
>> But my code protected against that possibility by [snip]
>
> Thats why I said "In this simple example it will work".



>> The only way this could break would be if the source string grew between
>> two consecutive lines of code that did not grow that string.
>
> In your example ?  Yes (and the same as I was thinking).
>
> Now imagine that you're programming and you /could/ be working on a
> single-thread string, but as easily on a multi-thread one.  Wouldn't it be
> easier to use a method which will work in either circumstance ?

I will grant that some programmers might be in that position, but I'm
not one of them.

It has rightly been said that threading is for people who don't
understand state machines, and state machines are for people who don't
understand threading. I am in the latter camp!

In the more general case, however, your point is taken.

--
Richard Heathfield
Email: rjh at cpax dot org dot uk
"Usenet is a strange place" - dmr 29 July 1999
Sig line 4 vacant - apply within

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