redesign compositor protocol, start widget library

1 files changed, 18 insertions, 0 deletions

diff --git a/euler/include/std/vector.hpp b/euler/include/std/vector.hpp
index 1c35d9d..8cd02b4 100644
--- a/euler/include/std/vector.hpp
+++ b/euler/include/std/vector.hpp
@@ -131,6 +131,12 @@ namespace std {
 
     }
 
+    void clear() {
+      for (size_type i = 0; i < _size; ++i)
+        std::destroy_at(_data + i);
+      _size = 0;
+    }
+
     constexpr size_type size() const noexcept {
       return _size;
     }
@@ -188,6 +194,18 @@ namespace std {
       ++_size;
     }
 
+    using iterator = T *;
+    using const_iterator = const T *;
+
+    iterator begin() noexcept { return _data; }
+    iterator   end() noexcept { return _data + _size; }
+
+    const_iterator begin() const noexcept { return _data; }
+    const_iterator   end() const noexcept { return _data + _size; }
+
+    const_iterator cbegin() const noexcept { return _data; }
+    const_iterator   cend() const noexcept { return _data + _size; }
+
   };
 
 }