Modula-2 Countdown Timer - Modula2 Typing CST Test
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Modula-2 Countdown Timer — Modula2 Code
Counts down from 5 to 0.
MODULE Countdown;
IMPORT InOut;
VAR count: INTEGER;
BEGIN
count := 5;
WHILE count >= 0 DO
InOut.WriteString("Countdown: "); InOut.WriteInt(count,0); InOut.WriteLn;
count := count - 1;
END;
InOut.WriteString("Done!"); InOut.WriteLn;
END Countdown.Modula2 Language Guide
Modula-2 is a statically typed, modular, procedural programming language designed for systems programming and teaching structured programming concepts, created as a successor to Pascal.
Primary Use Cases
- ▸Teaching structured and modular programming
- ▸Systems programming and embedded applications
- ▸Operating system and compiler development
- ▸Prototyping modular software architectures
- ▸Applications requiring strong type safety
Notable Features
- ▸Module system for encapsulation
- ▸Strong static typing
- ▸Procedural programming with structured control
- ▸Separate compilation for modules
- ▸Support for low-level systems programming
Origin & Creator
Developed by Niklaus Wirth in 1978 at ETH Zurich as a follow-up to Pascal, focusing on modularity and systems programming.
Industrial Note
Modula-2 found niche use in teaching programming concepts, embedded systems, and certain early OS development projects, though modern usage is mostly academic.