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Newsgroups: comp.lang.ada
Date: Tue, 3 Dec 2019 06:15:13 -0800 (PST)
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Subject: Re: Beginning Ada Programming, by Andrew T. Shvets (2020)
From: AdaMagica <christ-usch.grein@t-online.de>
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Xref: reader01.eternal-september.org comp.lang.ada:57632
Date: 2019-12-03T06:15:13-08:00
List-Id: <comp.lang.ada>

Define a type for values you can read from a foldable meter rod (0 to 2 m).

type Length is digits  4   range 0.0 .. 2.000;  -- Meter
type Length is delta 0.001 range 0.0 .. 2.000;

A meter rod allows one millimeter as maximal precision:
Floating point or fixed point number.

What's difficult to grasp here?