Why does readln include the line terminator?
Christopher Wright
dhasenan at gmail.com
Tue Apr 14 04:20:08 PDT 2009
Georg Wrede wrote:
> Readln returns a string which contains the line terminator.
>
> Is there a grand reason for this?
>
>
> Currently there are a few drawbacks with this. The naive user doesn't
> expect it, and the seasoned user has to keep stripping it. And then he
> has to search the docs (or get hold of other OSs) to determine what
> terminator to expect on other systems.
>
> And it can't really be a speed optimization either, because to do
> anything useful with a string, you have to strip the terminator anyway
> at some point.
By default, tango does not exhibit this behavior. If you wish, you can
include newlines:
auto str = Cin.copyln; // no newline in str
auto str2 = Cin.copyln(true); // has system-dependent newline
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