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-//
-// Zig has an "unreachable" statement. Use it when you want to tell the
-// compiler that a branch of code should never be executed and that the
-// mere act of reaching it is an error.
-//
-// if (true) {
-// ...
-// } else {
-// unreachable;
-// }
-//
-// Here we've made a little virtual machine that performs mathematical
-// operations on a single numeric value. It looks great but there's one
-// little problem: the switch statement doesn't cover every possible
-// value of a u8 number!
-//
-// WE know there are only three operations but Zig doesn't. Use the
-// unreachable statement to make the switch complete. Or ELSE. :-)
-//
-const std = @import("std");
-
-pub fn main() void {
- const operations = [_]u8{ 1, 1, 1, 3, 2, 2 };
-
- var current_value: u32 = 0;
-
- for (operations) |op| {
- switch (op) {
- 1 => {
- current_value += 1;
- },
- 2 => {
- current_value -= 1;
- },
- 3 => {
- current_value *= current_value;
- },
- }
-
- std.debug.print("{} ", .{current_value});
- }
-
- std.debug.print("\n", .{});
-}