Improve Error

src/Tools/jaby_engine_fconv/src/images/reduced_tim/mod.rs

@@ -19,5 +19,5 @@ pub struct Arguments {
 pub fn convert(_args: Arguments, input: Input, _output: Output) -> Result<(), Error> {
     ImageReader::new(Cursor::new(tool_helper::input_to_vec(input)?));
 
-    Err(Error::new("Convert not implemented yet".to_owned(), Some(-2)))
+    Err(Error::not_implemented("convert"))
 }

src/Tools/jaby_engine_fconv/src/main.rs

@@ -1,6 +1,7 @@
 use jaby_engine_fconv::images::{*};
 use clap::{Parser, Subcommand};
 use std::path::PathBuf;
+use tool_helper::Error;
 
 #[derive(Parser)]
 #[clap(about = "Converts files to various JabyEngine related file formats", long_about = None)]
@@ -20,7 +21,7 @@ enum SubCommands {
     SimpleTIM(reduced_tim::Arguments)
 }
 
-fn run_main() -> tool_helper::Result<()> {
+fn run_main() -> Result<(), Error> {
     match CommandLine::try_parse() {
         Ok(cmd) => {
             let input  = tool_helper::open_input(cmd.input_file)?;
@@ -30,7 +31,7 @@ fn run_main() -> tool_helper::Result<()> {
                 SubCommands::SimpleTIM(args) => reduced_tim::convert(args, input, output),
             }
         },
-        Err(error) => Err(tool_helper::Error::new(error.to_string(), None))
+        Err(error) => Err(Error::from_error(error))
     }    
 }