From 2ec26ecd049238b8a0e481c52de030de812ca3c7 Mon Sep 17 00:00:00 2001
From: studiosi <david@studiosi.es>
Date: Mon, 17 Aug 2026 21:35:13 +0300
Subject: [PATCH] Solved: 32 - Constexpr and Nullptr

---
 modules/09_cpp11/include/constexpr_nullptr.hpp | 2 +-
 modules/09_cpp11/src/constexpr_nullptr.cpp     | 4 ----
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/modules/09_cpp11/include/constexpr_nullptr.hpp b/modules/09_cpp11/include/constexpr_nullptr.hpp
index 4eb7ba0..aee9d69 100644
--- a/modules/09_cpp11/include/constexpr_nullptr.hpp
+++ b/modules/09_cpp11/include/constexpr_nullptr.hpp
@@ -7,7 +7,7 @@ namespace cpp11 {
 enum class Color { Red, Green, Blue };
 
 [[nodiscard]] auto to_index(Color color) -> int;
-[[nodiscard]] auto square(int value) -> int;
+[[nodiscard]] constexpr auto square(const int value) -> int { return value * value; }
 [[nodiscard]] auto find_null(int* ptr) -> int*;
 
 }  // namespace cpp11
diff --git a/modules/09_cpp11/src/constexpr_nullptr.cpp b/modules/09_cpp11/src/constexpr_nullptr.cpp
index f2a0c79..9b3c14d 100644
--- a/modules/09_cpp11/src/constexpr_nullptr.cpp
+++ b/modules/09_cpp11/src/constexpr_nullptr.cpp
@@ -11,10 +11,6 @@ auto to_index(const Color color) -> int {
     return -1;
 }
 
-auto square(const int value) -> int {
-    return value * value;
-}
-
 auto find_null(int* ptr) -> int* {
     return ptr;
 }