From f98dce10db5923c743ebe7e0392049f1dd39f2ab Mon Sep 17 00:00:00 2001
From: Yutetsu TAKATSUKASA <y.takatsukasa@gmail.com>
Date: Sun, 17 Jan 2021 13:55:47 +0900
Subject: [PATCH] Internals: Add VNUser::toPtr(). No functional change is
 intended.

---
 src/V3Ast.h | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/V3Ast.h b/src/V3Ast.h
index 2295ff743..3dac483ea 100644
--- a/src/V3Ast.h
+++ b/src/V3Ast.h
@@ -1136,10 +1136,11 @@ public:
     explicit VNUser(void* p) { m_u.up = p; }
     ~VNUser() = default;
     // Casters
-    WidthVP* c() const { return reinterpret_cast<WidthVP*>(m_u.up); }
-    VSymEnt* toSymEnt() const { return reinterpret_cast<VSymEnt*>(m_u.up); }
-    AstNode* toNodep() const { return reinterpret_cast<AstNode*>(m_u.up); }
-    V3GraphVertex* toGraphVertex() const { return reinterpret_cast<V3GraphVertex*>(m_u.up); }
+    template <typename T> T* toPtr() const { return reinterpret_cast<T*>(m_u.up); }
+    WidthVP* c() const { return toPtr<WidthVP>(); }
+    VSymEnt* toSymEnt() const { return toPtr<VSymEnt>(); }
+    AstNode* toNodep() const { return toPtr<AstNode>(); }
+    V3GraphVertex* toGraphVertex() const { return toPtr<V3GraphVertex>(); }
     int toInt() const { return m_u.ui; }
     static VNUser fromInt(int i) { return VNUser(i); }
 };