diff options
Diffstat (limited to 'txr.1')
| -rw-r--r-- | txr.1 | 16 |
1 files changed, 15 insertions, 1 deletions
@@ -33315,10 +33315,12 @@ exception search as if it didn't exist. When the handler function terminates, either via a normal return or a nonlocal control transfer, then the handler is re-enabled. -.coNP Macro @ handle +.coNP Macros @ handle and @ handle* .synb .mets (handle < try-expression .mets \ \ >> {( symbol <> ( arg *) << body-form *)}*) +.mets (handle* < try-expression +.mets \ \ >> {( symbol >> ( type-arg << arg *) << body-form *)}*) .syne .desc The @@ -33370,6 +33372,18 @@ via .code return or throwing an exception. +The +.code handle* +macro is a variant of +.code handle +with the following difference: when +.code handle* +invokes a clause, it passes the exception symbol as the leftmost argument +.metn type-arg . +Then the exception arguments follow. In contrast, +only the exception arguments are passed to the clauses of +.codn handle . + .coNP Macro @ with-resources .synb .mets (with-resources >> ({ sym >> [ init-form <> [ cleanup-form ])}*) |