array copy support

Signed-off-by: i-curve <[email protected]>
i-curve · Dec 18, 2023 · fa6171f · fa6171f
1 parent 0399c28
commit fa6171f
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Showing 3 changed files with 3 additions and 9 deletions.
diff --git a/README.md b/README.md
@@ -151,7 +151,7 @@ BB b[2] = {BB(1, "first", true), BB(2, "second", false)};
 icurve::copy<AA, 3, BB, 2>(a, b);
 ```
 
-c++ array
+c++ style array
 
 ```c++
 std::array<AA,3> a;

diff --git a/include/icurve/copypp.hh b/include/icurve/copypp.hh
@@ -1,7 +1,5 @@
 #pragma once
-#if _MSC_VER && _MSVC_LANG < 201402L
-#error "minimun c++ version is c++14."
-#elif __cplusplus < 201402L
+#if (_MSC_VER && _MSVC_LANG < 201402L) || __cplusplus < 201402L
 #error "minimun c++ version is c++14."
 #endif
 
@@ -78,8 +76,6 @@ void copy(std::span<D, L1> destination, std::span<S, L2> source) {
 template <typename D, typename S>
 void copy(std::vector<D> &destination, std::vector<S> &source) {
     destination.clear();
-    if (source.empty())
-        return;
     for (auto &item : source) {
         D tmp;
         copy(tmp, item);

diff --git a/include/icurve/copypp_only.hh b/include/icurve/copypp_only.hh
@@ -1,7 +1,5 @@
 #pragma once
-#if _MSC_VER && _MSVC_LANG < 201402L
-#error "minimun c++ version is c++14."
-#elif __cplusplus < 201402L
+#if (_MSC_VER && _MSVC_LANG < 201402L) || __cplusplus < 201402L
 #error "minimun c++ version is c++14."
 #endif