make error easier to check #17
Description
add method for error interface
IsNone() bool
NotNone() bool
and check error as following
if err.IsNone() {
}
if err.NotNone() {
}
{{ message }}
add method for error interface
IsNone() bool
NotNone() bool
and check error as following
if err.IsNone() {
}
if err.NotNone() {
}