feat: update error notes for wfassoc

wfassoc-exec/src/manifest.rs

@@ -63,7 +63,7 @@ impl Manifest {
 #[derive(Debug, TeError)]
 pub enum ParseSchemaError {
     /// Error when operating with schema.
-    #[error("{0}")]
+    #[error("failed on parsing manifest file to Schema: {0}")]
     Schema(#[from] wfassoc::highlevel::SchemaError)
 }
 

wfassoc-exec/src/runner.rs

@@ -12,20 +12,21 @@ use toml;
 #[derive(Debug, TeError)]
 pub enum Error {
     /// Error when parsing Manifest TOML file.
-    #[error("{0}")]
+    #[error("initialization error: {0}")]
     ParseManifest(#[from] manifest::ParseManifestError),
     /// Error when parsing Manifest into Schema.
-    #[error("{0}")]
+    #[error("initialization error: {0}")]
     ParseSchema(#[from] manifest::ParseSchemaError),
+    /// Error when serializing TOML
+    #[error("initialization error: {0}")]
+    SerializeToml(#[from] toml::ser::Error),
+
     /// Error when parsing Schema into Program.
-    #[error("{0}")]
+    #[error("wfassoc error: {0}")]
     ParseProgram(#[from] wfassoc::highlevel::ParseProgramError),
     /// Error when operating Program.
-    #[error("{0}")]
+    #[error("wfassoc error: {0}")]
     Program(#[from] wfassoc::highlevel::ProgramError),
-    /// Error when serializing TOML
-    #[error("{0}")]
-    SerializeToml(#[from] toml::ser::Error),
 
     /// Find duplicated name when converting extension name to index
     #[error("given extension name {0} has been specified more than one time")]
@@ -35,7 +36,7 @@ pub enum Error {
     BadExtName(String),
     /// Find star (*) extension name with other extension names when converting extension name to index
     #[error("wildcard extension name \"*\" is not allowed to be used with other extension names")]
-    ExclusiveStarExtName(String),
+    ExclusiveStarExtName,
 }
 
 /// Result type used in this module.
@@ -60,7 +61,7 @@ fn stringified_exts_to_indices(
     // Check for star (*) with other extensions
     let has_star = exts.iter().any(|ext| ext == "*");
     if has_star && exts.len() > 1 {
-        return Err(Error::ExclusiveStarExtName("*".to_string()));
+        return Err(Error::ExclusiveStarExtName);
     }
 
     // If star is present alone, return fixed list from zero to the maximum ext index.