Counter and Theme Toggle - D Typing CST Test

Counter and Theme Toggle — D Code

Demonstrates a simple counter with theme toggling using D variables and console output.

import std.stdio;

int count = 0;
bool isDark = false;

void updateUI() {
	writeln("Counter: ", count);
	writeln("Theme: ", isDark ? "Dark" : "Light");
}

void increment() {
	count += 1;
	updateUI();
}

void decrement() {
	count -= 1;
	updateUI();
}

void reset() {
	count = 0;
	updateUI();
}

void toggleTheme() {
	isDark = !isDark;
	updateUI();
}

// Simulate actions
updateUI();
increment();
increment();
toggleTheme();
decrement();
reset();

D Language Guide

D is a high-level, statically typed, compiled systems programming language combining C-like performance with modern features like garbage collection, functional programming, and meta-programming.

More D Typing Exercises

Practice Other Languages