Clean up.

src/convert.rs

@@ -4,7 +4,12 @@ use std::path::Path;
 use image::ImageReader;
 use markdown;
 
-pub fn to_webp(path: &Path) -> Result<(), Box<dyn std::error::Error>> {
+pub fn to_webp<P>(path: P) -> Result<(), Box<dyn std::error::Error>>
+where
+    P: AsRef<Path>,
+{
+    let path = path.as_ref();
+
     ImageReader::open(path)?.decode()?.save(format!(
         "{}.webp",
         path.file_stem().unwrap().to_str().unwrap()
@@ -13,7 +18,10 @@ pub fn to_webp(path: &Path) -> Result<(), Box<dyn std::error::Error>> {
     Ok(())
 }
 
-pub fn md_to_html(path: &Path) -> Result<String, markdown::message::Message> {
+pub fn md_to_html<P>(path: P) -> Result<String, markdown::message::Message>
+where
+    P: AsRef<Path>,
+{
     let mut buf = String::new();
 
     // Loading and Converting post.md to html