[PATCH 5/8] chardev: add prelude

[Paolo Bonzini <pbonzini@redhat.com>]

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 rust/chardev/meson.build         | 1 +
 rust/chardev/src/lib.rs          | 5 +++++
 rust/chardev/src/prelude.rs      | 4 +++-
 rust/hw/char/pl011/src/device.rs | 2 +-
 4 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/rust/chardev/meson.build b/rust/chardev/meson.build
index 36ada7c4546..d89baba8e20 100644
--- a/rust/chardev/meson.build
+++ b/rust/chardev/meson.build
@@ -30,6 +30,7 @@ _chardev_rs = static_library(
       'src/lib.rs',
       'src/bindings.rs',
       'src/chardev.rs',
+      'src/prelude.rs',
     ],
     {'.': _chardev_bindings_inc_rs}
   ),
diff --git a/rust/chardev/src/lib.rs b/rust/chardev/src/lib.rs
index 2e549f99d91..93a28725932 100644
--- a/rust/chardev/src/lib.rs
+++ b/rust/chardev/src/lib.rs
@@ -4,3 +4,8 @@
 
 mod chardev;
 pub use chardev::*;
+
+// preserve one-item-per-"use" syntax, it is clearer
+// for prelude-like modules
+#[rustfmt::skip]
+pub mod prelude;
diff --git a/rust/chardev/src/prelude.rs b/rust/chardev/src/prelude.rs
index 9f0b561bfab..f949d925399 100644
--- a/rust/chardev/src/prelude.rs
+++ b/rust/chardev/src/prelude.rs
@@ -1,3 +1,5 @@
 //! Essential types and traits intended for blanket imports.
 
-pub use crate::chardev::{Chardev, CharFrontend, Event};
\ No newline at end of file
+pub use crate::chardev::Chardev;
+pub use crate::chardev::CharFrontend;
+pub use crate::chardev::Event;
diff --git a/rust/hw/char/pl011/src/device.rs b/rust/hw/char/pl011/src/device.rs
index 2e4ccc9b231..ff929e60993 100644
--- a/rust/hw/char/pl011/src/device.rs
+++ b/rust/hw/char/pl011/src/device.rs
@@ -5,7 +5,7 @@
 use std::{ffi::CStr, mem::size_of};
 
 use bql::BqlRefCell;
-use chardev::{CharFrontend, Chardev, Event};
+use chardev::prelude::*;
 use common::prelude::*;
 use hwcore::{prelude::*, ClockEvent, IRQState};
 use migration::{self, prelude::*};
-- 
2.51.1