[plt-scheme] What am I misunderstanding about weak hash tables?

>>>>> "Matthew" == Matthew Flatt <mflatt at cs.utah.edu> writes:

    Matthew> Try changing the `weak-string' definition to

    Matthew>   (define weak-string (string-copy "I'm a weak string"))

    Matthew> With that change, your tests pass for me.

Aha!  Indeed, they now work; thanks.

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