# Collection of examples "how to use `structopt`"
### [Help on the bottom](after_help.rs)
How to append a postscript to the help message generated.
### [At least N](at_least_two.rs)
How to require presence of at least N values, like `val1 val2 ... valN ... valM`.
### [Basic](basic.rs)
A basic example how to use `structopt`.
### [Deny missing docs](deny_missing_docs.rs)
**This is not an example but a test**, it should be moved to `tests` folder
as soon as [this](https://github.com/rust-lang/rust/issues/24584) is fixed (if ever).
### [Doc comments](doc_comments.rs)
How to use doc comments in place of `help/long_help`.
### [Enums as arguments](enum_in_args.rs)
How to use `arg_enum!` with `StructOpt`.
### [Arguments of subcommands in separate `struct`](enum_tuple.rs)
How to extract subcommands' args into external structs.
### [Environment variables](env.rs)
How to use environment variable fallback an how it interacts with `default_value`.
### [Advanced](example.rs)
Somewhat complex example of usage of `structopt`.
### [Flatten](flatten.rs)
How to use `#[structopt(flatten)]`
### [`bash` completions](gen_completions.rs)
Generating `bash` completions with `structopt`.
### [Git](git.rs)
Pseudo-`git` example, shows how to use subcommands and how to document them.
### [Groups](group.rs)
Using `clap::Arg::group` with `structopt`.
### [`key=value` pairs](keyvalue.rs)
How to parse `key=value` pairs.
### [`--no-*` flags](negative_flag.rs)
How to add `no-thing` flag which is `true` by default and `false` if passed.
### [No version](no_version.rs)
How to completely remove version.
### [Rename all](rename_all.rs)
How `#[structopt(rename_all)]` works.
### [Skip](skip.rs)
How to use `#[structopt(skip)]`.
### [Aliases](subcommand_aliases.rs)
How to use aliases
### [`true` or `false`](true_or_false.rs)
How to express "`"true"` or `"false"` argument.