Displaying 1 result from an estimated 1 matches for "withcallhandlers".
2007 Feb 19
2
"try"ing to understand condition handling
I'm confused by the page documenting tryCatch and friends.
I think it describes 3 separate mechanisms: tryCatch (in which control
returns to the invoking tryCatch), withCallHandlers (in which control
goes up to the calling handler/s but then continues from the point at
which signalCondition() was invoked), and withRestarts (I can't tell
where control ends up).
For tryCatch the docs say the arguments ... provide handlers, and that
these are matched to the condition. It ap...