printf() for Zig

printf.zig

//
// Reliable C printf() replacement
// Zig version 0.16.0-dev.747+493ad58ff
//
const std = @import("std");

fn printf(comptime fmt: []const u8, args: anytype) !void {
    var buf: [128]u8 = undefined;

    // Create a buffered writer for stdout using the buffer
    var fw = std.fs.File.stdout().writer(&buf);
    const writer: *std.Io.Writer = &fw.interface;

    try writer.print(fmt, args);
    try writer.flush();
}

pub fn main() !void {
    try printf("Hello, {s}! The answer is {d}\n", .{"Zig", 42});
}