2 files changed, 31 insertions, 0 deletions
diff --git a/source/core/slang-string.cpp b/source/core/slang-string.cpp
index 460a077b5..2420cb7d7 100644
--- a/source/core/slang-string.cpp
+++ b/source/core/slang-string.cpp
@@ -43,6 +43,26 @@ namespace Slang
         return endData ? endData : kEmptyOSString;
     }
 
+    // UnownedStringSlice
+
+    bool UnownedStringSlice::endsWith(UnownedStringSlice const& other) const
+    {
+        UInt thisSize = size();
+        UInt otherSize = other.size();
+
+        if (otherSize > thisSize)
+            return false;
+
+        return UnownedStringSlice(
+            end() - otherSize, end()) == other;
+    }
+
+    bool UnownedStringSlice::endsWith(char const* str) const
+    {
+        return endsWith(UnownedTerminatedStringSlice(str));
+    }
+
+
     // StringSlice
 
     StringSlice::StringSlice()
diff --git a/source/core/slang-string.h b/source/core/slang-string.h
index a0f2b48a1..7d8d3eb81 100644
--- a/source/core/slang-string.h
+++ b/source/core/slang-string.h
@@ -170,11 +170,22 @@ namespace Slang
             return (*this) == UnownedStringSlice(str, str + strlen(str));
         }
 
+        bool endsWith(UnownedStringSlice const& other) const;
+        bool endsWith(char const* str) const;
+
     private:
         char const* beginData;
         char const* endData;
     };
 
+    struct UnownedTerminatedStringSlice : public UnownedStringSlice
+    {
+    public:
+        UnownedTerminatedStringSlice(char const* b)
+            : UnownedStringSlice(b, b + strlen(b))
+        {}
+    };
+
     struct StringSlice
     {
     public: