[rust] add NCDIRECT_OPTION[_VERY]_VERBOSE consts

rust/src/bindings.rs

@@ -157,6 +157,8 @@ pub use ffi::{
 // NCDIRECT_OPTION_INHIBIT_CBREAK,
 // NCDIRECT_OPTION_INHIBIT_SETLOCALE,
 // NCDIRECT_OPTION_NO_QUIT_SIGHANDLERS,
+// NCDIRECT_OPTION_VERBOSE
+// NCDIRECT_OPTION_VERY_VERBOSE
 
 #[doc(inline)]
 pub use ffi::{

rust/src/direct/mod.rs

@@ -113,3 +113,13 @@ pub const NCDIRECT_OPTION_INHIBIT_SETLOCALE: NcDirectFlags =
 /// signal handlers.
 pub const NCDIRECT_OPTION_NO_QUIT_SIGHANDLERS: NcDirectFlags =
     crate::bindings::ffi::NCDIRECT_OPTION_NO_QUIT_SIGHANDLERS as NcDirectFlags;
+
+///
+pub const NCDIRECT_OPTION_VERBOSE: NcDirectFlags =
+    crate::bindings::ffi::NCDIRECT_OPTION_VERBOSE as NcDirectFlags;
+
+/// Enable all diagnostics (equivalent to
+/// [`NCLOGLEVEL_TRACE`][crate::NCLOGLEVEL_TRACE]).
+/// Implies [`NCDIRECT_OPTION_VERBOSE`].
+pub const NCDIRECT_OPTION_VERY_VERBOSE: NcDirectFlags =
+    crate::bindings::ffi::NCDIRECT_OPTION_VERY_VERBOSE as NcDirectFlags;