25 lines
858 B
Zig
25 lines
858 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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var gpa = std.heap.GeneralPurposeAllocator(.{}){};
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defer _ = gpa.deinit();
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const params = comptime clap.parseParamsComptime(
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\\-h, --help Display this help and exit.
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\\-v, --version Output version information and exit.
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\\ --value <str> An option parameter, which takes a value.
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\\
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);
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var res = try clap.parse(clap.Help, ¶ms, clap.parsers.default, .{
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.allocator = gpa.allocator(),
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});
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defer res.deinit();
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// `clap.usage` is a function that can print a simple help message. It can print any `Param`
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// where `Id` has a `value` method (`Param(Help)` is one such parameter).
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if (res.args.help != 0)
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return clap.usage(std.io.getStdErr().writer(), clap.Help, ¶ms);
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}
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