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Diffstat (limited to 'example/usage.zig')
| -rw-r--r-- | example/usage.zig | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/example/usage.zig b/example/usage.zig new file mode 100644 index 0000000..734d741 --- /dev/null +++ b/example/usage.zig | |||
| @@ -0,0 +1,20 @@ | |||
| 1 | const std = @import("std"); | ||
| 2 | const clap = @import("clap"); | ||
| 3 | |||
| 4 | pub fn main() !void { | ||
| 5 | const stderr_file = try std.io.getStdErr(); | ||
| 6 | var stderr_out_stream = stderr_file.outStream(); | ||
| 7 | const stderr = &stderr_out_stream.stream; | ||
| 8 | |||
| 9 | // clap.usage is a function that can print a simple usage message, given a | ||
| 10 | // slice of Param(Help). There is also a usageEx, which can print a | ||
| 11 | // usage message for any Param, but it is more verbose to call. | ||
| 12 | try clap.usage( | ||
| 13 | stderr, | ||
| 14 | comptime [_]clap.Param(clap.Help){ | ||
| 15 | clap.parseParam("-h, --help Display this help and exit. ") catch unreachable, | ||
| 16 | clap.parseParam("-v, --version Output version information and exit.") catch unreachable, | ||
| 17 | clap.parseParam(" --value <N> Output version information and exit.") catch unreachable, | ||
| 18 | }, | ||
| 19 | ); | ||
| 20 | } | ||