minor refactoring and fixes

src/sharry/file/checked.rs

@@ -6,7 +6,7 @@ use std::{
 
 use log::debug;
 use serde::{Deserialize, Serialize};
-use ureq::http::StatusCode;
+use ureq::http::{HeaderValue, StatusCode};
 
 use super::{Alias, FileUploading, Share, SharryAlias, SharryFile};
 
@@ -68,19 +68,11 @@ impl FileChecked {
 impl<'t> SharryFile<'t> for FileChecked {
     /// get a reference to the file's name
     ///
-    /// Uses SharryFile::extract_file_name, which may **panic**!
+    /// Uses `SharryFile::extract_file_name`, which may **panic**!
     fn name(&'t self) -> &'t str {
         <Self as SharryFile>::extract_file_name(&self.path)
     }
 
-    fn offset<T>(&self) -> T
-    where
-        T: TryFrom<usize>,
-        <T as TryFrom<usize>>::Error: std::fmt::Debug + std::fmt::Display,
-    {
-        <Self as SharryFile>::from_usize(0)
-    }
-
     fn size<T>(&self) -> T
     where
         T: TryFrom<usize>,

src/sharry/file/filetrait.rs

@@ -1,16 +1,16 @@
 use std::{
     ffi::OsStr,
     fmt::{Debug, Display},
-    path::{Path, PathBuf},
+    path::Path,
 };
 
 pub trait SharryFile<'t> {
-    /// get a reference to the filename from a PathBuf reference
+    /// extract the filename part of a `Path` reference
     ///
     /// # Panics
     ///
-    /// Expects `Path::file_name` and `ffi::OsStr::to_str` to succeed on the contained path.
+    /// Expects `path::Path::file_name` and `ffi::OsStr::to_str` to succeed on the given path
-    fn extract_file_name(p: &'t PathBuf) -> &'t str {
+    fn extract_file_name(p: &'t Path) -> &'t str {
         p.file_name()
             .and_then(OsStr::to_str)
             .expect("bad file name")
@@ -32,7 +32,7 @@ pub trait SharryFile<'t> {
         <T as TryInto<usize>>::Error: Debug + Display,
     {
         val.try_into()
-            .inspect_err(|e| panic!("usize did not fit into other type: {e}"))
+            .inspect_err(|e| panic!("other type did not fit into usize: {e}"))
             .unwrap()
     }
 
@@ -41,7 +41,10 @@ pub trait SharryFile<'t> {
     fn offset<T>(&self) -> T
     where
         T: TryFrom<usize>,
-        <T as TryFrom<usize>>::Error: Debug + Display;
+        <T as TryFrom<usize>>::Error: Debug + Display,
+    {
+        Self::from_usize(0)
+    }
 
     fn size<T>(&self) -> T
     where