Error recorder with As recoding one code, and recording the As caller static with caller, argument information for every As func is called. the data static format like this: ["error code", ["runtime stack of New"], ["runtime stack of As", "args of As"...], ["runtime statick of As"]...] the first one is error code, the second is New, the others are func As been called. package main import "github.com/gwaylib/errors"