Function checkPtr

sqlite-wasm-cos/sqlite3-node.mjs:9975–9978

(ptr)

  const __allocStruct = function f(ctor, obj, xm){
    let opt;
    const checkPtr = (ptr)=>{
      __isNonNullPtr(ptr) ||
        toss("Invalid pointer value",arguments[0],"for",ctor.structName,"constructor.");
    };
    if( arguments.length>=3 ){
      if( xm && ('object'===typeof xm) ){
        opt = xm;