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From: sjw <simon.j.wright@mac.com>
Newsgroups: comp.lang.ada
Subject: Re: Howto read line from a stream
Date: Wed, 3 Jun 2009 12:07:16 -0700 (PDT)
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On Jun 3, 4:49=A0pm, Tomek Wa=B3kuski <tomek.walku...@gmail.com> wrote:
> On 1 Cze, 02:05, "Jeffrey R. Carter"<spam.jrcarter....@nospam.acm.org> wr=
ote:
> > I might do something like
>
> > function Get_Line (Channel : in Stream_Access) return String is
> > =A0 =A0 Char : Character;
> > begin -- Get_Line
> > =A0 =A0 Character'Read (Channel, Char);
>
> > =A0 =A0 if Char =3D Ada.Characters.Latin_1.LF then
> > =A0 =A0 =A0 =A0return String'(1 =3D> Char);
> > =A0 =A0 else
> > =A0 =A0 =A0 =A0return Char & Get_Line (Channel);
> > =A0 =A0 end if;
> > end Get_Line;
>
> How to measure which solution (mine or yours) is faster?

Under many modern OSs Ada.Calendar.Clock will give you microsecond
accuracy.
But if you are dealing with character i/o I hardly think it matters!
Jeffrey's solution may take quite a bit of stack, if that's an issue.