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//
// Now that you know how "defer" works, let's do something more
// interesting with it.
//
const std = @import("std");
pub fn main() void {
const animals = [_]u8{ 'g', 'c', 'd', 'd', 'g', 'z' };
for (animals) |a| printAnimal(a);
std.debug.print("done.\n", .{});
}
// This function is _supposed_ to print an animal name in parentheses
// like "(Goat) ", but we somehow need to print the end parenthesis
// even though this function can return in four different places!
fn printAnimal(animal: u8) void {
std.debug.print("(", .{});
defer std.debug.print(") ", .{}); // <---- how?!
if (animal == 'g') {
std.debug.print("Goat", .{});
return;
}
if (animal == 'c') {
std.debug.print("Cat", .{});
return;
}
if (animal == 'd') {
std.debug.print("Dog", .{});
return;
}
std.debug.print("Unknown", .{});
}
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