elided lifetimes

src/cachefile.rs

@@ -57,10 +57,7 @@ impl CacheFile {
         };
 
         if args.should_hash() {
-            fn check_hash<'a>(
+            fn check_hash(file: &impl FileTrait, bar: &ProgressBar) -> crate::Result<()> {
-                file: &'a impl FileTrait<'a>,
-                bar: &ProgressBar,
-            ) -> crate::Result<()> {
                 bar.set_message(format!("checking {:?}", file.get_name()));
                 file.check_hash(|bytes| bar.inc(bytes))
             }

src/file/checked.rs

@@ -85,11 +85,8 @@ impl Checked {
     }
 }
 
-impl<'t> FileTrait<'t> for Checked {
+impl FileTrait for Checked {
-    /// get a reference to the file's name
+    fn get_name(&self) -> &str {
-    ///
-    /// Uses `SharryFile::extract_file_name`, which may **panic**!
-    fn get_name(&'t self) -> &'t str {
         <Self as FileTrait>::extract_file_name(&self.path)
     }
 

src/file/mod.rs

@@ -12,7 +12,6 @@ pub use chunk::Chunk;
 use log::{debug, warn};
 pub use uploading::Uploading;
 
-
 fn compute_file_hash(path: &Path, size: u64, on_progress: impl Fn(u64)) -> crate::Result<String> {
     let mut file = fs::File::open(path)?;
     let mut hasher = Blake2b::new().hash_length(64).to_state();
@@ -61,20 +60,22 @@ fn check_file_hash(
     }
 }
 
-pub trait FileTrait<'t> {
+pub trait FileTrait {
     /// extract the filename part of a `Path` reference
     ///
     /// # Panics
     ///
     /// Expects `path::Path::file_name` and `ffi::OsStr::to_str` to succeed on the given path
-    fn extract_file_name(p: &'t Path) -> &'t str {
+    fn extract_file_name(p: &Path) -> &str {
         p.file_name()
             .and_then(OsStr::to_str)
             .expect("bad file name")
     }
 
     /// get a reference to the file's name
-    fn get_name(&'t self) -> &'t str;
+    ///
+    /// Uses `file::FileTrait::extract_file_name`, which may **panic**!
+    fn get_name(&self) -> &str;
 
     /// get the file's size
     fn get_size(&self) -> u64;

src/file/uploading.rs

@@ -94,11 +94,8 @@ impl Uploading {
     }
 }
 
-impl<'t> FileTrait<'t> for Uploading {
+impl FileTrait for Uploading {
-    /// get a reference to the file's name
+    fn get_name(&self) -> &str {
-    ///
-    /// Uses `SharryFile::extract_file_name`, which may **panic**!
-    fn get_name(&'t self) -> &'t str {
         <Self as FileTrait>::extract_file_name(&self.path)
     }