From 7a265191d2b00166dece0997a3e2de4b98e86762 Mon Sep 17 00:00:00 2001
From: pineappleEA <pineaea@gmail.com>
Date: Tue, 3 May 2022 02:21:39 +0200
Subject: [PATCH] early-access version 2718

---
 README.md             |  2 +-
 src/core/hle/result.h | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 43 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 7ef15f018..cf11cfd1a 100755
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 yuzu emulator early access
 =============
 
-This is the source code for early-access 2717.
+This is the source code for early-access 2718.
 
 ## Legal Notice
 
diff --git a/src/core/hle/result.h b/src/core/hle/result.h
index 3807b9aa8..8d38d0030 100755
--- a/src/core/hle/result.h
+++ b/src/core/hle/result.h
@@ -153,6 +153,48 @@ constexpr ResultCode ResultSuccess(0);
  */
 constexpr ResultCode ResultUnknown(UINT32_MAX);
 
+/**
+ * A ResultRange defines an inclusive range of error descriptions within an error module.
+ * This can be used to check whether the description of a given ResultCode falls within the range.
+ * The conversion function returns a ResultCode with its description set to description_start.
+ *
+ * An example of how it could be used:
+ * \code
+ * constexpr ResultRange ResultCommonError{ErrorModule::Common, 0, 9999};
+ *
+ * ResultCode Example(int value) {
+ *     const ResultCode result = OtherExample(value);
+ *
+ *     // This will only evaluate to true if result.module is ErrorModule::Common and
+ *     // result.description is in between 0 and 9999 inclusive.
+ *     if (ResultCommonError.Includes(result)) {
+ *         // This returns ResultCode{ErrorModule::Common, 0};
+ *         return ResultCommonError;
+ *     }
+ *
+ *     return ResultSuccess;
+ * }
+ * \endcode
+ */
+class ResultRange {
+public:
+    consteval ResultRange(ErrorModule module, u32 description_start, u32 description_end_)
+        : code{module, description_start}, description_end{description_end_} {}
+
+    [[nodiscard]] consteval operator ResultCode() const {
+        return code;
+    }
+
+    [[nodiscard]] constexpr bool Includes(ResultCode other) const {
+        return code.module == other.module && code.description <= other.description &&
+               other.description <= description_end;
+    }
+
+private:
+    ResultCode code;
+    u32 description_end;
+};
+
 /**
  * This is an optional value type. It holds a `ResultCode` and, if that code is ResultSuccess, it
  * also holds a result of type `T`. If the code is an error code (not ResultSuccess), then trying