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*applyhook*


Type:   -   system variable
Source:   -   xlglob.c (not implemented)

Syntax

 *applyhook*

Description

*applyhook* is a system variable that exists and is initialized to NIL. It is a hook that is intended to contain a user function that is to be called whenever a function is applied to a list of arguments. It is not, however, implemented in XLISP 2.0, it only exists as a dummy hook.

Examples

*applyhook*  => NIL

*applyhook* is often used to implement function stepping functionality in a debugger.

See also:

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Nyquist / XLISP 2.0  -  Contents | Tutorials | Examples | Reference