1 files changed, 12 insertions, 2 deletions
diff --git a/deimos/core/base.h b/deimos/core/base.h
index 0669f07..0cc48b1 100644
--- a/deimos/core/base.h
+++ b/deimos/core/base.h
@@ -26,6 +26,14 @@
     deimos_DEFAULT_COPY(TYPE);                          \
     deimos_DEFAULT_MOVE(TYPE);
 
+namespace gsl
+{
+
+using zstring   = char*;
+using czstring  = const char*;
+
+} // namespace gsl
+
 namespace deimos
 {
 
@@ -42,6 +50,8 @@ using int64     = long long;
 using float32   = float;
 using float64   = double;
 
+enum __attribute__((__may_alias__)) byte : uint8 {};
+
 struct uint128
 {
     uint64 high;
@@ -52,11 +62,11 @@ struct uint128
 
 struct SourceLocation
 {
-    const char*     file;
+    gsl::czstring   file;
     int32           line;
 
     constexpr SourceLocation( // NOLINT
-        const char* file_ = __builtin_FILE(),
+        gsl::czstring file_ = __builtin_FILE(),
         int32 line_ = __builtin_LINE()) :
         file{file_},
         line{line_}