func (l L) Error(s string) Err {
	return Err{
		Msg: s,
		Loc: l,
	}
}
// Error constructs a location Err setting the Msg to the passed value and
// the Loc to the location
Error constructs a location Err setting the Msg to the passed value and
the Loc to the location
// Error constructs a location Err setting the Msg to the passed value and // the Loc to the location
func (l L) Error(s string) Err {
	return Err{
		Msg: s,
		Loc: l,
	}
}
func ( l L ) Error ( s string ) Err { return Err { Msg : s , Loc : l , } }
Error constructs a location Err setting the Msg to the passed value and
the Loc to the location
Error constructs a location Err setting the Msg to the passed value and the Loc to the location