Fixes for the latest rustc.

Author: LaurentMazare

examples/yolo/darknet.rs

@@ -241,7 +241,7 @@ impl Darknet {
         Ok(image_width)
     }
 
-    pub fn build_model(&self, vs: &nn::Path) -> Result<FuncT> {
+    pub fn build_model(&self, vs: &nn::Path) -> Result<FuncT<'_>> {
         let mut blocks: Vec<(i64, Bl)> = vec![];
         let mut prev_channels: i64 = 3;
         for (index, block) in self.blocks.iter().enumerate() {

src/nn/var_store.rs

@@ -149,7 +149,7 @@ impl VarStore {
     /// Variables are named and organized using paths. This function returns
     /// the top level path for the var store and can be combined with '/'
     /// to create sub-paths.
-    pub fn root(&self) -> Path {
+    pub fn root(&self) -> Path<'_> {
         Path { path: vec![], group: 0, var_store: self }
     }
 

src/tensor/safetensors.rs

@@ -91,7 +91,7 @@ impl View for SafeView<'_> {
         &self.shape
     }
 
-    fn data(&self) -> std::borrow::Cow<[u8]> {
+    fn data(&self) -> std::borrow::Cow<'_, [u8]> {
         let mut data = vec![0; self.data_len()];
         let numel = self.tensor.numel();
         self.tensor.f_copy_data_u8(&mut data, numel).unwrap();