Hi
this warning is just that printOn: is working on a stream
and when we do
printOn: aStream
aStream nextPutAll: x printString
printString creates yeat another stream then ask the contents and passes it to
the first one
printOn: aStream
x printOn: aStream
is faster and cleaner in that case.
> On 24 Dec 2020, at 18:32, g_patrickb--- via Pharo-users
> <pharo-users@lists.pharo.org> wrote:
>
> I started working through PBE8, and in section 3.13 there is a method:
>
> Counter >> printOn: aStream
>
> super printOn: aStream.
>
> aStream nextPutAll: ' with value: ', count printString.
>
> But it returns two warnings:
>
> [printString] No printString inside printOn
>
> Use cascaded nextPutAll:’s instead of #, in #nextPutAll:
>
>
>
> It has the option to automatically resolve the cascaded nextPutAll: which
> results in:
>
> printOn: aStream
>
> super printOn: aStream.
>
> aStream
>
> nextPutAll: ' with value: ';
>
> nextPutAll: count printString
>
>
>
> But it still has the warning about printString.
>
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