fix: remove unneeded 'to_string()' calls

Author: jpraynaud

internal/mithril-persistence/src/database/version_checker.rs

@@ -200,11 +200,11 @@ insert into db_version (application_type, version, updated_at) values ('{applica
                 mithril-{} database migrate --stores-directory /path/to/stores-directory
             "#,
             migration_version,
-            self.application_type.to_string(),
+            self.application_type,
             fallback_distribution_version,
-            self.application_type.to_string(),
+            self.application_type,
             fallback_distribution_version,
-            self.application_type.to_string()
+            self.application_type
         )
     }
 }

mithril-common/src/crypto_helper/codec/binary.rs

@@ -20,12 +20,8 @@ pub trait TryFromBytes: Sized {
 
     /// Try to convert from hex string encoded bytes.
     fn try_from_bytes_hex(hex_string: &str) -> StdResult<Self> {
-        let bytes = Vec::from_hex(hex_string).map_err(|e| {
-            anyhow::anyhow!(
-                "Could not deserialize binary from hex string: {}",
-                e.to_string()
-            )
-        })?;
+        let bytes = Vec::from_hex(hex_string)
+            .map_err(|e| anyhow::anyhow!("Could not deserialize binary from hex string: {}", e))?;
 
         Self::try_from_bytes(&bytes)
     }