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Diffstat (limited to 'vendor/clap/src/_features.rs')
| -rw-r--r-- | vendor/clap/src/_features.rs | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/vendor/clap/src/_features.rs b/vendor/clap/src/_features.rs new file mode 100644 index 0000000..b47ee25 --- /dev/null +++ b/vendor/clap/src/_features.rs @@ -0,0 +1,28 @@ +//! ## Documentation: Feature Flags +//! +//! Available [compile-time feature flags](https://doc.rust-lang.org/cargo/reference/features.html#dependency-features) +//! +//! #### Default Features +//! +//! * **std**: _Not Currently Used._ Placeholder for supporting `no_std` environments in a backwards compatible manner. +//! * **color**: Turns on colored error messages. +//! * **help**: Auto-generate help output +//! * **usage**: Auto-generate usage +//! * **error-context**: Include contextual information for errors (which arg failed, etc) +//! * **suggestions**: Turns on the `Did you mean '--myoption'?` feature for when users make typos. +//! +//! #### Optional features +//! +//! * **deprecated**: Guided experience to prepare for next breaking release (at different stages of development, this may become default) +//! * **derive**: Enables the custom derive (i.e. `#[derive(Parser)]`). Without this you must use one of the other methods of creating a `clap` CLI listed above. +//! * **cargo**: Turns on macros that read values from [`CARGO_*` environment variables](https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-crates). +//! * **env**: Turns on the usage of environment variables during parsing. +//! * **unicode**: Turns on support for unicode characters (including emoji) in arguments and help messages. +//! * **wrap_help**: Turns on the help text wrapping feature, based on the terminal size. +//! * **string**: Allow runtime generated strings (e.g. with [`Str`][crate::builder::Str]). +//! +//! #### Experimental features +//! +//! **Warning:** These may contain breaking changes between minor releases. +//! +//! * **unstable-v5**: Preview features which will be stable on the v5.0 release |