It was, you guessed it, a bunch of wrapper functions written in Expect.

你可以想象，它是一串在Expect中写的封装好的函数。

youdao

Xajax generates asynchronous wrapper functions for the registered PHP functions.

Xajax为注册的php函数生成异步包装器函数。

youdao

This is where the name for the file makes sense: this file mainly contains manually overridden wrapper functions.

这正是文件名的意义所在：该文件主要包含手工覆盖的包装器函数。

youdao

If you can get a single data scientist to build one of these functions, then with a SQL wrapper you can expose it to business analysts.

FORBES: New Teradata Platform Reduces Demand For Data Scientists