const std = @import("std"); const print = std.debug.print; // $ zig run hello-world.zig pub fn main() void { print("Hello, {s}!\n", .{"World"}); } pub fn test_hello_world() []const u8 { return "Hello, Test!\n"; } test "hello-world" { try std.testing.expectEqualStrings(test_hello_world(), "Hello, Test!\n"); }