diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 23 |
1 files changed, 23 insertions, 0 deletions
@@ -9377,6 +9377,29 @@ In other words, the following equivalences hold: .SS Functions throw, throwf and error +.TP +Syntax: + + (throw <symbol> . <args>) + (throwf <symbol> <format-string> . <format-args>) + (error <format-string> . <format-args>) + +.TP +Description: + +These functions generate an exception. The throw and throwf functions generate +an exception identified by <symbol>, whereas error throws an exception of +type error. The call (error ...) can be regarded as a shorthand for +(throwf 'error ...). + +The throw function takes zero or more additional arguments. These arguments +become the arguments of a catch handler which takes the exception. The +handler will have to be capable of accepting that number of arguments. + +The throwf and error functions generate an exception which has a single +argument: a character string created by a formatted print to a string stream +using the format string and additional arguments. + .SS Operator catch .TP |