code: function(e,s,se){
  			if(e || se){
  				if(e) console.log(e.message);
  				if(se) console.log(se.toString());
  				throw Error("example test failed.");
  			}
  			else{
  				console.log("[dtsmake extest] "+op.dist+".d.ts file output complete.")
  				child_process.exec(
  					"tsc "+op.dist+".d.ts",
  					function(e2,s2,se2){
  						if(e2) throw Error(e2.message);
  						else if(se2) throw Error(se2.toString());
  						else{
  							console.log("[dtsmake extest] "+op.src+ " 's d.ts tsc check complete.");
  						}
  					}
  				);
  			}
  		}
docs: callback