doc(hansbug): add comments for default argument

HansBug · May 24, 2022 · f915b6c · f915b6c
1 parent 694eecd
commit f915b6c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/hbutils/string/template.py b/hbutils/string/template.py
@@ -39,6 +39,8 @@ def env_template(template: str, environ: Optional[Mapping[str, Any]] = None,
         KeyError: 'B'
         >>> env_template('${A} + 1 = ${B}', {'A': '1'}, safe=True)
         '1 + 1 = ${B}'
+        >>> env_template('${A} + 1 = ${B}', {'A': '1'}, default='')  # like environment variable
+        '1 + 1 = '
     """
 
     class _DefaultDict(dict):