Odin/code/demo.odin

import "fmt.odin";

proc main() {
	var program = "+ + * - /";
	var accumulator = 0;

	for token in program {
		match token {
		case '+': accumulator += 1;
		case '-': accumulator -= 1;
		case '*': accumulator *= 2;
		case '/': accumulator /= 2;
		case: // Ignore everything else
		}
	}

	fmt.printf("The program \"%s\" calculates the value %d\n",
	           program, accumulator);
}