Change USE_info to use sets

Author: gnikit

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## 2.0.1
 
+### Changed
+
+- Changed `USE_info` named tuple to storing use modules as `sets` instead of `lists`
+
 ### Fixed
 
 - Fixed some mutable default argument warnings in methods and classes

fortls/objects.py

@@ -3,7 +3,7 @@
 import copy
 import os
 import re
-from typing import Dict, NamedTuple, List, Pattern
+from typing import Dict, NamedTuple, List, Set, Pattern
 from dataclasses import dataclass
 
 from fortls.constants import (
@@ -56,7 +56,7 @@
 )
 USE_info = NamedTuple(
     "USE_info",
-    [("mod_name", str), ("only_list", List[str]), ("rename_map", Dict[str, str])],
+    [("mod_name", str), ("only_list", Set[str]), ("rename_map", Dict[str, str])],
 )
 GEN_info = NamedTuple(
     "GEN_info",

fortls/parse_fortran.py

@@ -596,13 +596,13 @@ def read_use_stmt(line: str):
 
     trailing_line = line[use_match.end(0) :].lower()
     use_mod = use_match.group(2)
-    only_list: list[str] = []
+    only_list: set[str] = set()
     rename_map: dict[str, str] = {}
     if use_match.group(3):
         for only_stmt in trailing_line.split(","):
             only_split = only_stmt.split("=>")
             only_name = only_split[0].strip()
-            only_list.append(only_name)
+            only_list.add(only_name)
             if len(only_split) == 2:
                 rename_map[only_name] = only_split[1].strip()
     return "use", USE_info(use_mod, only_list, rename_map)