const std = @import("std"); const clap = @import("clap"); pub fn main() !void { const stderr_file = try std.io.getStdErr(); var stderr_out_stream = stderr_file.outStream(); const stderr = &stderr_out_stream.stream; // clap.help is a function that can print a simple help message, given a // slice of Param([]const u8). There is also a helpEx, which can print a // help message for any Param, but it is more verbose to call. try clap.help( stderr, [_]clap.Param([]const u8){ clap.Param([]const u8){ .id = "Display this help and exit.", .names = clap.Names{ .short = 'h', .long = "help" }, }, clap.Param([]const u8){ .id = "Output version information and exit.", .names = clap.Names{ .short = 'v', .long = "version" }, }, }, ); }