On Jun 4, 2011, at 7:55 PM, Peter Michaux wrote:
> Would we be able to do the following to ensure the file is closed if
> "fn" is either a function that throws or is a lambda that returns?
>
> var withFile = function(filename, fn) {
> var file = openFile(filename);
> try {
> fn(file);
> }
> finally {
> file.close();
> }
> };
Yes, finally clauses run on the way out due to return. The return from a lambda
is like an exception, but not reified as such and not catchable. But finallys
run.
/be
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