Method cleanup

pkg/sql/plpgsql/parser/lexer.go:58–62

cleanup is used to avoid holding on to memory unnecessarily (for the cases where we reuse a scanner).

()

// cleanup is used to avoid holding on to memory unnecessarily (for the cases
// where we reuse a scanner).
func (l *lexer) cleanup() {
	l.tokens = nil
	l.stmt = nil
	l.lastError = nil
}

// Lex lexes a token from input.
// to push the tokens back (move l.pos back).