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Diffstat (limited to '32_unreachable.zig')
-rw-r--r-- | 32_unreachable.zig | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/32_unreachable.zig b/32_unreachable.zig deleted file mode 100644 index c81efac..0000000 --- a/32_unreachable.zig +++ /dev/null @@ -1,38 +0,0 @@ -// -// 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", .{}); -} |