Data commit

Task/String-concatenation/Zig/string-concatenation.zig

@@ -0,0 +1,31 @@
+const std = @import("std");
+
+const debug = std.debug;
+const heap = std.heap;
+const mem = std.mem;
+
+test "string concatenation" {
+    const hello = "Hello,";
+
+    debug.warn("\n{}{}\n", .{ hello, " world!" });
+
+    // Method 1: Array concatenation
+    //
+    // This only works if the values are known at compile-time.
+    const hello_world_at_comptime = hello ++ " world!";
+
+    debug.warn("{}\n", .{hello_world_at_comptime});
+
+    // Method 2: std.mem.concat
+    var buf: [128]u8 = undefined;
+    const allocator = &heap.FixedBufferAllocator.init(&buf).allocator;
+
+    const hello_world_concatenated = try mem.concat(allocator, u8, &[_][]const u8{ hello, " world!" });
+
+    debug.warn("{}\n", .{hello_world_concatenated});
+
+    // Method 3: std.mem.join
+    const hello_world_joined = try mem.join(allocator, " ", &[_][]const u8{ hello, "world!" });
+
+    debug.warn("{}\n", .{hello_world_joined});
+}