From ba4293fa5655100a9b7f4cf7f6dc6c237b3bb4d5 Mon Sep 17 00:00:00 2001
From: Anders Cedronius <anders.cedronius@tickup.se>
Date: Tue, 23 Apr 2024 14:44:34 +0200
Subject: [PATCH] fix linux build

---
 include/DataFrame/Utils/AlignedAllocator.h | 4 ++--
 include/DataFrame/Utils/Concepts.h         | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/DataFrame/Utils/AlignedAllocator.h b/include/DataFrame/Utils/AlignedAllocator.h
index 4939f175..8637c5e4 100644
--- a/include/DataFrame/Utils/AlignedAllocator.h
+++ b/include/DataFrame/Utils/AlignedAllocator.h
@@ -60,7 +60,7 @@ struct  AlignedValue<T, 0>  {
 
 // ----------------------------------------------------------------------------
 
-// By default the alignment is system defined alignment for the type
+// By default, the alignment is system defined alignment for the type
 //
 template<typename T, std::size_t AS = 0>
 class   AlignedAllocator : public AlignedValue<T, AS>  {
@@ -115,7 +115,7 @@ class   AlignedAllocator : public AlignedValue<T, AS>  {
     AlignedAllocator &operator=(const AlignedAllocator &) = delete;
 
     template<typename U>
-    inline explicit AlignedAllocator(AlignedAllocator<U, AS> const &) noexcept  {  }
+    inline AlignedAllocator(AlignedAllocator<U, AS> const &) noexcept  {  }
 
     // Always return true for stateless allocators.
     //
diff --git a/include/DataFrame/Utils/Concepts.h b/include/DataFrame/Utils/Concepts.h
index 4a3c39b5..1d101c1a 100644
--- a/include/DataFrame/Utils/Concepts.h
+++ b/include/DataFrame/Utils/Concepts.h
@@ -128,7 +128,7 @@ concept hashable_equal = hashable<T> && std::equality_comparable<T>;
 template<typename T>
 concept hashable_stringable = requires(const std::remove_reference_t<T> &a,
                                        std::stringstream &ss)  {
-    hashable<T>;
+    requires hashable<T>;
     { ss << a };
 };