Lines Matching refs:How

5 How to append a postscript to the help message generated.
9 How to require presence of at least N values, like `val1 val2 ... valN ... valM`.
22 How to use doc comments in place of `help/long_help`.
26 How to use `arg_enum!` with `StructOpt`.
30 How to extract subcommands' args into external structs.
34 How to use environment variable fallback an how it interacts with `default_value`.
42 How to use `#[structopt(flatten)]`
58 How to parse `key=value` pairs.
62 How to add `no-thing` flag which is `true` by default and `false` if passed.
66 How to completely remove version.
70 How `#[structopt(rename_all)]` works.
74 How to use `#[structopt(required_if)]`.
78 How to use `#[structopt(skip)]`.
82 How to use aliases
86 How to express "`"true"` or `"false"` argument.