package compiler import "github.com/pkg/errors" var ( ErrEmptyQuery = errors.New("empty query") ErrNotImplemented = errors.New("not implemented") ErrVariableNotFound = errors.New("variable not found") ErrVariableNotUnique = errors.New("variable is already defined") ErrInvalidToken = errors.New("invalid token") ErrInvalidDataSource = errors.New("invalid data source") )