Allow specification of lifetimes in mapping macros #6
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michaelsproul
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Improve the flexibility of metastruct's derived mapping macros by allowing a lifetime to be specified. This was useful in implementing some more complex mappings on
BeaconStatewithin Lighthouse, see:https://github.com/sigp/lighthouse/blob/5dac51062c506ff15c1dfdd7cb59a69d81a7cbe9/consensus/types/src/beacon_state/memsize.rs#L17-L90