- Began outlining tokenizer.h and priority_queue.h

- Began outlining sdl implementation
- Added some helper definitions to various classes
- Added contains to string.h and wstring.h

include/fennec/langproc/strings/wstring.h

@@ -47,6 +47,7 @@ struct _wstring
 {
 public:
 	static constexpr size_t npos = -1;
+	using char_t = wchar_t;
 	using alloc_t = allocation<wchar_t, AllocT>;
 
 
@@ -216,10 +217,23 @@ public:
 		return ::wcsncmp(_str + i, str.data(), n);
 	}
 
+	constexpr bool operator==(const wcstring& str) const {
+		return compare(str) == 0;
+	}
+
 	constexpr bool operator==(const _wstring& str) const {
 		return compare(str) == 0;
 	}
 
+	///
+	/// \brief Check if the string contains a character
+	/// \param c
+	/// \param i
+	/// \return
+	constexpr bool contains(char c, size_t i = 0) const {
+		return find(c, i) != size();
+	}
+
 	///
 	/// \brief Finds the index of the first occurrence of `c` in the string
 	/// \param c the wchar_tacter to find