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