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From: "jimmaureenrogers@worldnet.att.net" <jimmaureenrogers@worldnet.att.net>
Newsgroups: comp.lang.ada
Subject: Re: why learn C?
Date: 2 Apr 2007 19:22:04 -0700
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Date: 2007-04-02T19:22:04-07:00
List-Id: <comp.lang.ada>

While the C++ template language is very powerful it is also
amazingly crippled in the eyes of an Ada programmer (me).
In discussions with C++ programmers concerning the ability
to write templates for range-specified numeric types I
discovered that C++ template language does not allow the
specification of a floating point value as a template
parameter.

Therefore, while one can write a C++ template to handle
range-specified integer classes, one cannot write a C++
template to handle range-specified floating point classes.

In other words, C++ allows you to write a template that
is equivalent to:

type My_Integer_Type is range 1..10;

But you cannot write a template equivalent to:

type Voltage_Type is digits 11 range -5.0..5.0;

Jim Rogers