1 files changed, 51 insertions, 0 deletions
diff --git a/libalee/types.cpp b/libalee/types.cpp
new file mode 100644
index 0000000..fe6210e
--- /dev/null
+++ b/libalee/types.cpp
@@ -0,0 +1,51 @@
+/**
+ * Alee Forth: A portable and concise Forth implementation in modern C++.
+ * Copyright (C) 2023  Clyne Sullivan <clyne@bitgloo.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "dictionary.hpp"
+#include "types.hpp"
+
+unsigned Word::size() const noexcept
+{
+    return wend - start;
+}
+
+Word::iterator Word::begin(const Dictionary *dict)
+{
+    return iterator(start, dict);
+}
+
+Word::iterator Word::end(const Dictionary *dict)
+{
+    return iterator(wend, dict);
+}
+
+Word::iterator& Word::iterator::operator++()
+{
+    addr++;
+    return *this;
+}
+
+Word::iterator::value_type Word::iterator::operator*()
+{
+    return dict->readbyte(addr);
+}
+
+bool Word::iterator::operator!=(const iterator& other)
+{
+    return dict != other.dict || addr != other.addr;
+}