Function ExternSTLMapErase

test/externref/ExternrefTest.cpp:233–242

Host function to erase std::map by key.

// Host function to erase std::map<std::string, std::string> by key.
WasmEdge_Result ExternSTLMapErase(void *, const WasmEdge_CallingFrameContext *,
                                  const WasmEdge_Value *In, WasmEdge_Value *) {
  // Function type: {externref, externref} -> {}
  void *Ptr0 = WasmEdge_ValueGetExternRef(In[0]);
  void *Ptr1 = WasmEdge_ValueGetExternRef(In[1]);
  auto &Map = *reinterpret_cast<std::map<std::string, std::string> *>(Ptr0);
  auto &Key = *reinterpret_cast<std::string *>(Ptr1);
  Map.erase(Key);
  return WasmEdge_Result_Success;
}

// Host function to insert a key into std::set<uint32_t>.
WasmEdge_Result ExternSTLSetInsert(void *, const WasmEdge_CallingFrameContext *,