From 31327248e037563385f8fb0897c238cf59c3ec2b Mon Sep 17 00:00:00 2001
From: rexy712 <rexy712@protonmail.com>
Date: Wed, 29 Jun 2022 17:32:02 -0700
Subject: [PATCH] Change buffer to use allocator traits

---
 include/rexy/buffer.hpp | 11 +++++------
 include/rexy/buffer.tpp | 11 +++++------
 2 files changed, 10 insertions(+), 12 deletions(-)

diff --git a/include/rexy/buffer.hpp b/include/rexy/buffer.hpp
index cc2d580..2368155 100644
--- a/include/rexy/buffer.hpp
+++ b/include/rexy/buffer.hpp
@@ -52,17 +52,16 @@ namespace rexy{
 
 	public:
 		constexpr buffer(void);
-		REXY_CPP20_CONSTEXPR buffer(const_pointer data, size_type length)noexcept(noexcept(this->allocate(0)));
+		REXY_CPP20_CONSTEXPR buffer(const_pointer data, size_type length)noexcept(is_nothrow_allocator_v<Allocator>);
 		template<class Iter>
 		REXY_CPP20_CONSTEXPR buffer(const Iter& start, const Iter& last);
-		REXY_CPP20_CONSTEXPR buffer(size_type cap)noexcept(noexcept(this->allocate(0)));
-		REXY_CPP20_CONSTEXPR buffer(const buffer& b)noexcept(noexcept(this->allocate(0)));
+		REXY_CPP20_CONSTEXPR buffer(size_type cap)noexcept(is_nothrow_allocator_v<Allocator>);
+		REXY_CPP20_CONSTEXPR buffer(const buffer& b)noexcept(is_nothrow_allocator_v<Allocator>);
 		constexpr buffer(buffer&& b)noexcept;
-		REXY_CPP20_CONSTEXPR ~buffer(void)noexcept(noexcept(this->deallocate(nullptr, 0)));
+		REXY_CPP20_CONSTEXPR ~buffer(void)noexcept(is_nothrow_allocator_v<Allocator>);
 
 		REXY_CPP20_CONSTEXPR buffer& operator=(const buffer& b)
-			noexcept(noexcept(this->allocate(0)) &&
-			         noexcept(this->deallocate(nullptr, 0)));
+			noexcept(is_nothrow_allocator_v<Allocator>);
 		constexpr buffer& operator=(buffer&& b)noexcept;
 
 		constexpr pointer data(void);
diff --git a/include/rexy/buffer.tpp b/include/rexy/buffer.tpp
index 4675b3f..e335a6e 100644
--- a/include/rexy/buffer.tpp
+++ b/include/rexy/buffer.tpp
@@ -27,7 +27,7 @@ namespace rexy{
 	template<class T, class Allocator>
 	constexpr buffer<T,Allocator>::buffer(void){}
 	template<class T, class Allocator>
-	REXY_CPP20_CONSTEXPR buffer<T,Allocator>::buffer(const_pointer data, size_type length)noexcept(noexcept(this->allocate(0))):
+	REXY_CPP20_CONSTEXPR buffer<T,Allocator>::buffer(const_pointer data, size_type length)noexcept(is_nothrow_allocator_v<Allocator>):
 		m_data(this->allocate(sizeof(value_type) * length)),
 		m_cap(length),
 		m_size(length)
@@ -54,12 +54,12 @@ namespace rexy{
 		m_size = count;
 	}
 	template<class T, class Allocator>
-	REXY_CPP20_CONSTEXPR buffer<T,Allocator>::buffer(size_type cap)noexcept(noexcept(this->allocate(0))):
+	REXY_CPP20_CONSTEXPR buffer<T,Allocator>::buffer(size_type cap)noexcept(is_nothrow_allocator_v<Allocator>):
 		m_data(this->allocate(sizeof(value_type) * cap)),
 		m_cap(cap),
 		m_size(0){}
 	template<class T, class Allocator>
-	REXY_CPP20_CONSTEXPR buffer<T,Allocator>::buffer(const buffer& b)noexcept(noexcept(this->allocate(0))):
+	REXY_CPP20_CONSTEXPR buffer<T,Allocator>::buffer(const buffer& b)noexcept(is_nothrow_allocator_v<Allocator>):
 		m_data(this->allocate(sizeof(value_type) * b.m_cap)),
 		m_cap(b.m_cap),
 		m_size(b.m_size)
@@ -74,7 +74,7 @@ namespace rexy{
 		m_cap(b.m_cap),
 		m_size(b.m_size){}
 	template<class T, class Allocator>
-	REXY_CPP20_CONSTEXPR buffer<T,Allocator>::~buffer(void)noexcept(noexcept(this->deallocate(nullptr, 0))){
+	REXY_CPP20_CONSTEXPR buffer<T,Allocator>::~buffer(void)noexcept(is_nothrow_allocator_v<Allocator>){
 		for(size_type i = 0;i < m_size;++i){
 			m_data[i].~T();
 		}
@@ -82,8 +82,7 @@ namespace rexy{
 	}
 	template<class T, class Allocator>
 	REXY_CPP20_CONSTEXPR buffer<T,Allocator>& buffer<T,Allocator>::operator=(const buffer& b)
-		noexcept(noexcept(this->allocate(0)) &&
-		         noexcept(this->deallocate(nullptr, 0)))
+		noexcept(is_nothrow_allocator_v<Allocator>)
 	{
 		return (*this = buffer(b));
 	}