Cleanup

leo/errors/cli.rs

@@ -2,6 +2,7 @@ use crate::errors::{InitError, MainFileError, ManifestError, SourceDirectoryErro
 
 #[derive(Debug, Fail)]
 pub enum CLIError {
+
     #[fail(display = "{}: {}", _0, _1)]
     Crate(&'static str, String),
 
@@ -16,6 +17,7 @@ pub enum CLIError {
 
     #[fail(display = "{}", _0)]
     SourceDirectoryError(SourceDirectoryError),
+
 }
 
 impl From<InitError> for CLIError {

leo/errors/files/main.rs

@@ -2,8 +2,20 @@ use std::io;
 
 #[derive(Debug, Fail)]
 pub enum MainFileError {
+
+    #[fail(display = "{}: {}", _0, _1)]
+    Crate(&'static str, String),
+
     #[fail(display = "creating: {}", _0)]
     Creating(io::Error),
+
     #[fail(display = "writing: {}", _0)]
     Writing(io::Error),
+
+}
+
+impl From<std::io::Error> for MainFileError {
+    fn from(error: std::io::Error) -> Self {
+        MainFileError::Crate("std::io", format!("{}", error))
+    }
 }

leo/files/main.rs

@@ -40,9 +40,8 @@ impl MainFile {
             path.push(PathBuf::from(FILE_NAME_DEFAULT));
         }
 
-        let mut file = File::create(&path).map_err(MainFileError::Creating)?;
-        file.write_all(self.template().as_bytes())
-            .map_err(MainFileError::Writing)
+        let mut file = File::create(&path)?;
+        Ok(file.write_all(self.template().as_bytes())?)
     }
 
     fn template(&self) -> String {