Call hook functions.
# S3 method for function
callHooks(hooks, ...)
Argument passed to each hook function.
Returns (invisibly) a list
that is named with hook names, if possible.
Each element in the list is in turn a list
with three element:
fcn
is the hook function called, result
is its return
value, and exception
is the exception caught or NULL
.
See callHooks
() to call hook function by name.