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ADT simplification #5314

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wants to merge 2 commits into from
Closed

ADT simplification #5314

wants to merge 2 commits into from

Commits on Mar 11, 2013

  1. Simplify struct representation. 

    Out goes the extra layer of struct wrapping; the destructedness flag is
added to the end of the struct.  This means that, if the struct
previously had alignment padding at the end, the flag will live there
instead of increasing the struct size.
    @jld
    jld committed Mar 11, 2013
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  2. Get rid of the Unit enum representation. 

    The only thing we really lose is that C-like enums with one variant and a
non-zero discriminant now take up space, but I do not think this is a
common usage.  As previously noted, that was mostly there for
transitional compatibility with the pre-adt.rs codebase.
    @jld
    jld committed Mar 11, 2013
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