Re: [fusion] Proposal for deprecating fusion.tuple.

On 09/29/2017 09:17 AM, Lee Clagett wrote:
[snip]
> 
> For C++11 `fusion::tuple` I noticed that if the assignment from fusion
> sequences was removed (its constructor currently does not allow
> conversion from sequences and `std::tuple` has no such requirement),
> then the headers automatically included could be reduced. So
> `fusion::tuple` _could_ be a faster compiling sequence for when the
> conversion properties of `fusion::vector` was not needed. Of course,
> since most have a good implementation of `std::tuple` perhaps this
> unnecessary? I would like to point out that recent tweaks to
> `fusion::vector` have [improved performance over libstdc++ `std::tuple`
> in construction][0][1].
> 
[snip]
> [0] http://metaben.ch/hetero/clang++-4.0/make/index.html
> [1] http://metaben.ch/hetero/g++-7/make/index.html
> 
[0] shows hana tuple significantly better than the c++ `fusion::tuple`.
Hence, why not replace fusion::tuple with hana tuple?



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