20 lines
855 B
Zig
20 lines
855 B
Zig
const clap = @import("clap");
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const std = @import("std");
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pub fn main() !void {
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const params = comptime [_]clap.Param(clap.Help){
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clap.parseParam("-h, --help Display this help and exit. ") catch unreachable,
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clap.parseParam("-v, --version Output version information and exit. ") catch unreachable,
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clap.parseParam(" --value <N> An option parameter, which takes a value.") catch unreachable,
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};
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var args = try clap.parse(clap.Help, ¶ms, .{});
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defer args.deinit();
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// clap.usage is a function that can print a simple usage message, given a
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// slice of Param(Help). There is also a usageEx, which can print a
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// usage message for any Param, but it is more verbose to call.
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if (args.flag("--help"))
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return clap.usage(std.io.getStdErr().writer(), ¶ms);
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}
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