| [ < ] | [ > ] | [ << ] | [Plus haut] | [ >> ] | [Top] | [Table des matières] | [Index] | [ ? ] |
A nonlocal exit is a transfer of control from one point in a program to another remote point. Nonlocal exits can occur in Emacs Lisp as a result of errors; you can also use them under explicit control. Nonlocal exits unbind all variable bindings made by the constructs being exited.
10.5.1 Explicit Nonlocal Exits: catch and throw | Nonlocal exits for the program's own purposes. | |
10.5.2 Examples of catch and throw | Showing how such nonlocal exits can be written. | |
| 10.5.3 Errors | How errors are signaled and handled. | |
| 10.5.4 Cleaning Up from Nonlocal Exits | Arranging to run a cleanup form if an error happens. |
Ce document a été généré par Eric Reinbold le 13 Octobre 2007 en utilisant texi2html 1.78.