drt: clang-tidy requested includes

Signed-off-by: osamahammad21 <osama21@aucegypt.edu>

Author: osamahammad21

src/drt/src/db/tech/frLayer.h

@@ -4,6 +4,7 @@
 #pragma once
 
 #include <algorithm>
+#include <functional>
 #include <iostream>
 #include <map>
 #include <set>
@@ -623,14 +624,13 @@ class frLayer
   {
     // This vector should be sorted by area in a descending order
     auto area = in->getODBRule()->getArea();
-    auto it = std::ranges::lower_bound(
-        lef58AreaConstraints_.begin(),
-        lef58AreaConstraints_.end(),
-        area,
-        std::ranges::greater{},
-        [](const frLef58AreaConstraint* a) {
-          return a->getODBRule()->getArea();
-        });
+    auto it = std::ranges::lower_bound(lef58AreaConstraints_.begin(),
+                                       lef58AreaConstraints_.end(),
+                                       area,
+                                       std::ranges::greater{},
+                                       [](const frLef58AreaConstraint* a) {
+                                         return a->getODBRule()->getArea();
+                                       });
     lef58AreaConstraints_.insert(it, in);
   }
 
@@ -649,14 +649,13 @@ class frLayer
   {
     // This vector should be sorted by rectwidth in an ascending order
     auto rectwidth = in->getODBRule()->getRectWidth();
-    auto it = std::ranges::lower_bound(
-        lef58AreaConstraintsRectWidth_.begin(),
-        lef58AreaConstraintsRectWidth_.end(),
-        rectwidth,
-        std::ranges::less{},
-        [](const frLef58AreaConstraint* a) {
-          return a->getODBRule()->getRectWidth();
-        });
+    auto it = std::ranges::lower_bound(lef58AreaConstraintsRectWidth_.begin(),
+                                       lef58AreaConstraintsRectWidth_.end(),
+                                       rectwidth,
+                                       std::ranges::less{},
+                                       [](const frLef58AreaConstraint* a) {
+                                         return a->getODBRule()->getRectWidth();
+                                       });
     lef58AreaConstraintsRectWidth_.insert(it, in);
   }