Make JVPCache an immutable struct#215
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gdalle wants to merge 2 commits into
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From what I see in
src/jvp.jl, there is no operation of the formcache.x1 = something, onlycache.x1 .= something, which doesn't require a mutable struct. Making it immutable would allow alloc-free static array support in JuliaDiff/DifferentiationInterface.jl#1019