From a49a72e923fe5e33d2f76ec5666090c0769d4e65 Mon Sep 17 00:00:00 2001
From: Krzysztof Jakubowski <nadult@fastmail.fm>
Date: Sat, 24 Feb 2024 12:50:43 +0100
Subject: [PATCH] Improved spans support in streams loadData & saveData (#9)

---
 include/fwk/io/stream.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/fwk/io/stream.h b/include/fwk/io/stream.h
index a0a82329..579c3f7b 100644
--- a/include/fwk/io/stream.h
+++ b/include/fwk/io/stream.h
@@ -47,6 +47,9 @@ template <class Base> class TStream : public Base {
 	template <class TSpan, class T = SpanBase<TSpan>, EnableIf<!is_const<T> && is_flat_data<T>>...>
 	void loadData(TSpan &);
 
+	template <class T, EnableIf<is_flat_data<T>>...> void saveData(Span<const T>);
+	template <class T, EnableIf<!is_const<T> && is_flat_data<T>>...> void loadData(Span<T>);
+
 	// TODO: support for serializing vector< >, maybe < > of saveable ?
 	template <class T, EnableIf<is_flat_data<T>>...> TStream &operator<<(const T &);
 	template <class T, EnableIf<is_flat_data<T>>...> TStream &operator>>(T &);
@@ -175,6 +178,16 @@ void TSTREAM::loadData(TSpan &data) {
 	this->loadData(span(data).template reinterpret<char>());
 }
 
+TEMPLATE template <class T, EnableIf<is_flat_data<T>>...>
+void TSTREAM::saveData(Span<const T> data) {
+	this->saveData(data.template reinterpret<char>());
+}
+
+TEMPLATE template <class T, EnableIf<!is_const<T> && is_flat_data<T>>...>
+void TSTREAM::loadData(Span<T> data) {
+	this->loadData(data.template reinterpret<char>());
+}
+
 TEMPLATE template <class T, EnableIf<is_flat_data<T>>...>
 TSTREAM &TSTREAM::operator<<(const T &obj) {
 	saveData(cspan(&obj, 1).template reinterpret<char>());