On Wed, Oct 31, 2007 at 10:24:44AM +0100, felix winkelmann wrote: > On 10/31/07, Peter Bex <[EMAIL PROTECTED]> wrote: > > > > > > The "exit" will not invoke any pending dynamic-wind thunks > > > > Why not? Shouldn't it? IMHO it violates POLA not to do so. > > Because it might not be desired.
Why wouldn't it if you use dynamic-wind? The thunk is exited by calling (exit), isn't it? So I would *expect* it to call the 'after' part of the dynamic-wind. Just from reading the standard I would never consider the possibility that a program ever leaves the thunk without calling the 'after' part. People use dynamic-wind because they *want* the 'after' part to be called whenever the thunk is exited. > It shouldn't. And I don't know who POLA is, nor did I meeet her before. $ wtf is POLA POLA: principle of least astonishment Peter -- http://sjamaan.ath.cx -- "The process of preparing programs for a digital computer is especially attractive, not only because it can be economically and scientifically rewarding, but also because it can be an aesthetic experience much like composing poetry or music." -- Donald Knuth
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