Add const version of OneOf::tryGet().

cffc710e · Kenton Varda · ad87e243 · cffc710e
Commit cffc710e authored Mar 12, 2019 by Kenton Varda
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one-of.h c++/src/kj/one-of.h +8 -0

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--- a/c++/src/kj/one-of.h
+++ b/c++/src/kj/one-of.h
@@ -118,6 +118,14 @@ public:
      return nullptr;
    }
  }
+  template <typename T>
+  Maybe<const T&> tryGet() const {
+    if (is<T>()) {
+      return *reinterpret_cast<const T*>(space);
+    } else {
+      return nullptr;
+    }
+  }

  template <uint i>
  KJ_NORETURN(void allHandled());