Test for stdin use in Zig

stdin_test.zig

const std = @import("std");

pub fn main() !void {
    const stdout = std.io.getStdOut().writer();
    const stdin = std.io.getStdIn();
    defer stdin.close();
    const reader = stdin.reader();
    const max_input = 1024;
    try stdout.print("What is your name? ", .{});
    var input_buffer: [max_input]u8 = undefined;
    var input_str = (try reader.readUntilDelimiterOrEof(input_buffer[0..], '\n')) orelse {
            // No input, probably CTRL-d (EOF). Print a newline and exit!
            try stdout.print("\n", .{});
            return;
        };
    try stdout.print("Hello {s}!\n", .{input_str});
}