chore: #112 pr

fast_depends/core/model.py

@@ -160,13 +160,13 @@ def _solve(
             keyword_args = self.keyword_args
 
         else:
-            keyword_args = set(self.keyword_args + self.positional_args)
-            for arg in keyword_args - set(self.dependencies.keys()):
-                if arg not in kw:
-                    if args:
-                        kw[arg], args = args[0], args[1:]
-                    else:
-                        break
+            keyword_args = self.keyword_args + self.positional_args
+            for arg in keyword_args:
+                if not args:
+                    break
+
+                if arg not in self.dependencies and arg not in kw:
+                    kw[arg], args = args[0], args[1:]
 
         solved_kw: Dict[str, Any]
         solved_kw = yield args, kw

tests/library/test_custom.py

@@ -78,6 +78,23 @@ def sync_catch2(key2: HeaderKey) -> float:
     assert sync_catch2(headers={"key2": 1}) == 1
 
 
+def test_arguments_mapping():
+    @inject
+    def func(
+        d: int = CustomField(cast=False),
+        b: int = CustomField(cast=False),
+        c: int = CustomField(cast=False),
+        a: int = CustomField(cast=False),
+    ):
+        assert d == 4
+        assert b == 2
+        assert c == 3
+        assert a == 1
+
+    for _ in range(50):
+        func(4, 2, 3, 1)
+
+
 @serializer
 class TestSerializer:
     @pytest.mark.anyio