Upgrade rust/crates/structopt to 0.3.18
Test: make
Change-Id: Ib5d515b0f5e9ac7fdd0f2f8e2f00ecf54dbf63ca
diff --git a/src/lib.rs b/src/lib.rs
index c42fe1f..c51277a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,6 +7,7 @@
// except according to those terms.
#![deny(missing_docs)]
+#![forbid(unsafe_code)]
//! This crate defines the `StructOpt` trait and its custom derive.
//!
@@ -87,9 +88,9 @@
//! #[structopt(short)]
//! out_type: String,
//!
-//! /// File name: only required when `out` is set to `file`
-//! #[structopt(name = "FILE", required_if("out_type", "file"))]
-//! file_name: String,
+//! /// File name: only required when `out-type` is set to `file`
+//! #[structopt(name = "FILE", required_if("out-type", "file"))]
+//! file_name: Option<String>,
//! }
//!
//! fn main() {
@@ -280,7 +281,7 @@
//! Usable only on field-level.
//!
//! - [`rename_all`](#specifying-argument-types):
-//! [`rename_all = "kebab"/"snake"/"screaming-snake"/"camel"/"pascal"/"verbatim"]`
+//! [`rename_all = "kebab"/"snake"/"screaming-snake"/"camel"/"pascal"/"verbatim"/"lower"/"upper"]`
//!
//! Usable both on top level and field level.
//!
@@ -309,7 +310,7 @@
//! Usable only on field-level.
//!
//! - [`rename_all_env`](##auto-deriving-environment-variables):
-//! [`rename_all_env = "kebab"/"snake"/"screaming-snake"/"camel"/"pascal"/"verbatim"]`
+//! [`rename_all_env = "kebab"/"snake"/"screaming-snake"/"camel"/"pascal"/"verbatim"/"lower"/"upper"]`
//!
//! Usable both on top level and field level.
//!
@@ -1063,6 +1064,8 @@
/// Re-exports
pub use clap;
+#[cfg(feature = "paw")]
+pub use paw_dep as paw;
/// **This is NOT PUBLIC API**.
#[doc(hidden)]