From 5a0b3927a33807cca4c77c40eb873f8a3b51b0b0 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Sat, 29 Apr 2023 19:07:11 +0100
Subject: Drop .hpp for header only things

Half of them acquired a .cpp part anyway
---
 lib/stream_support.h | 86 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100644 lib/stream_support.h

(limited to 'lib/stream_support.h')

diff --git a/lib/stream_support.h b/lib/stream_support.h
new file mode 100644
index 0000000..7fb256c
--- /dev/null
+++ b/lib/stream_support.h
@@ -0,0 +1,86 @@
+#pragma once
+
+#include "enumDetails.h"
+#include <glm/glm.hpp>
+#include <iostream>
+#include <maths.h>
+#include <span>
+#include <sstream>
+#include <type_traits>
+
+template<typename S>
+concept stringlike = requires(const S & s) { s.substr(0); };
+template<typename T>
+concept spanable = std::is_constructible_v<std::span<const typename T::value_type>, T> && !
+stringlike<T> && !std::is_same_v<std::span<typename T::value_type>, T>;
+
+namespace std {
+	template<typename T, std::size_t L>
+	std::ostream &
+	operator<<(std::ostream & s, const span<T, L> v)
+	{
+		s << '(';
+		for (const auto & i : v) {
+			if (&i != &v.front()) {
+				s << ", ";
+			}
+			s << i;
+		}
+		return s << ')';
+	}
+
+	template<glm::length_t L, glm::length_t R, typename T, glm::qualifier Q>
+	std::ostream &
+	operator<<(std::ostream & s, const glm::mat<L, R, T, Q> & m)
+	{
+		return (s << std::span {&m[0], L});
+	}
+
+	template<glm::length_t L, typename T, glm::qualifier Q>
+	std::ostream &
+	operator<<(std::ostream & s, const glm::vec<L, T, Q> & v)
+	{
+		return (s << std::span {&v[0], L});
+	}
+
+	template<spanable T>
+	std::ostream &
+	operator<<(std::ostream & s, const T & v)
+	{
+		return (s << std::span {v});
+	}
+
+	template<typename First, typename Second>
+	std::ostream &
+	operator<<(std::ostream & s, const std::pair<First, Second> & v)
+	{
+		return (s << '(' << v.first << ", " << v.second << ')');
+	}
+
+	inline std::ostream &
+	operator<<(std::ostream & s, const Arc & arc)
+	{
+		return s << arc.first << " ↺ " << arc.second;
+	}
+
+	template<typename E>
+	concept IsEnum = std::is_enum_v<E>;
+
+	template<IsEnum E>
+	inline std::ostream &
+	operator<<(std::ostream & s, const E & e)
+	{
+		return s << EnumTypeDetails<E>::typeName << "::" << EnumDetails<E>::to_string(e).value();
+	}
+}
+
+template<typename T>
+std::string
+streamed_string(const T & v)
+{
+	std::stringstream ss;
+	ss << v;
+	return std::move(ss).str();
+}
+
+#define CLOG(x) std::cerr << __LINE__ << " : " #x " : " << x << "\n";
-- 
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