uefi: simplify return type of GraphicsOutput::modes

Author: phip1611

CHANGELOG.md

@@ -27,6 +27,8 @@
   `impl Iterator` which simplifies usage.
 - `BootServices::exit_boot_services()` now returns `MemoryMapIter` instead of
   `impl Iterator` which simplifies usage.
+- `GraphicsOutput::modes()` now returns `ModesIter` instead of `impl Iterator`
+   which simplifies usage.
 
 ### Removed
 

uefi/src/proto/console/gop.rs

@@ -109,7 +109,7 @@ impl<'boot> GraphicsOutput<'boot> {
 
     /// Returns information about all available graphics modes.
     #[must_use]
-    pub fn modes(&'_ self) -> impl ExactSizeIterator<Item = Mode> + '_ {
+    pub fn modes(&self) -> ModeIter {
         ModeIter {
             gop: self,
             current: 0,
@@ -437,8 +437,8 @@ impl ModeInfo {
     }
 }
 
-/// Iterator for graphics modes.
-struct ModeIter<'gop> {
+/// Iterator for [`Mode`]s of the [`GraphicsOutput`] protocol.
+pub struct ModeIter<'gop> {
     gop: &'gop GraphicsOutput<'gop>,
     current: u32,
     max: u32,