protected function pStmt_Function(Stmt\Function_ $node) {
return 'function ' . ($node->byRef ? '&' : '') . $node->name
. '(' . $this->pCommaSeparated($node->params) . ')'
. (null !== $node->returnType ? ' : ' . $this->pType($node->returnType) : '')
. "\n" . '{' . $this->pStmts($node->stmts) . "\n" . '}';
}