From 224b7616ae2b8c79f79cef66eaa794e7c988f49e Mon Sep 17 00:00:00 2001
From: Avril <flanchan@cumallover.me>
Date: Thu, 3 Dec 2020 17:15:30 +0000
Subject: [PATCH] no warnings on -Wall

---
 Makefile      | 4 +++-
 cfrob.hpp     | 6 +-----
 test/test.cpp | 7 ++++++-
 3 files changed, 10 insertions(+), 7 deletions(-)

diff --git a/Makefile b/Makefile
index fa98b55..c33e773 100644
--- a/Makefile
+++ b/Makefile
@@ -4,9 +4,11 @@
 test: test/test
 
 test/test: test/test.cpp
-	$(CXX) -I. --std=c++20 $< -o $@
+	$(CXX) -I. --std=c++20 -Wall -pedantic $< -o $@
 	if strings $@ | grep Hello; then exit 1; fi
+	./$@
 	strings $@ | grep bOFFE >> /dev/null
+	@echo ""
 	@echo "Passed."
 
 clean:
diff --git a/cfrob.hpp b/cfrob.hpp
index c9c84dc..2ef6c18 100644
--- a/cfrob.hpp
+++ b/cfrob.hpp
@@ -9,6 +9,7 @@ namespace frob
 	}
 
 	template<std::size_t N>
+		requires(N > 0)
 	struct cfrob
 	{
 		char out[N]{};
@@ -19,11 +20,6 @@ namespace frob
 			out[N-1] = 0;
 		}
 	};
-	template<>
-	struct cfrob<0>
-	{
-		char out[0]{};
-	};
 }
 
 template<frob::cfrob C>
diff --git a/test/test.cpp b/test/test.cpp
index f728bf0..51cb945 100644
--- a/test/test.cpp
+++ b/test/test.cpp
@@ -3,7 +3,12 @@
 
 #include <cfrob.hpp>
 
-const auto str = "Hello world."_frob;
+// Can be stored as `const char` array with compile-time size for optimal use.
+const auto str			= "Hello world."_frob; 
+constexpr const char* str2	= "Hello world."_frob;
+
+// Can also be stored as normal `const char*` string constant pointer.
+const char* str3		= "Hello world."_frob;
 
 int main()
 {