bug fix: Severity 转换只取首字母

Signed-off-by: Jia Chao <jiac13@chinaunicom.cn>

src/lib.rs

@@ -1062,12 +1062,13 @@ impl Severity {
 impl FromStr for Severity {
     type Err = ParseSeverityError;
 
+    // bug fix: 华为不干人事儿，单词都能拼错，现在只取首字母
     fn from_str(s: &str) -> Result<Self, Self::Err> {
-        match s.to_lowercase().as_str() {
-            "low" => Ok(Severity::Low),
-            "moderate" | "medium" => Ok(Severity::Moderate),
-            "important" | "high" => Ok(Severity::Important),
-            "critical" => Ok(Severity::Critical),
+        match s.to_lowercase().chars().next() {
+            Some('l') => Ok(Severity::Low),
+            Some('m') => Ok(Severity::Moderate),
+            Some('i') | Some('h') => Ok(Severity::Important),
+            Some('c') => Ok(Severity::Critical),
             _ => Err(ParseSeverityError::InvalidSeverity),
         }
     }