Fix findmin/findmax to return cartesian indices for BitMatrix #30102
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For consistency with other
AbstractArray
types. It's annoying we haven't spotted this earlier, as fixing this inconsistency is technically breaking.The call to keys is optimized out by the compiler for vectors thanks to
@inbounds
.BTW, I've also noticed that the
findnext/prev(testf::Function, B::BitArray, start::Integer)
methods (just above the diff) accept linear indices even for non-vectors, which is not the case forArray
. What's more, there is currently no equivalent of these optimized methods takingCartesianIndex
objects, meaning we use the slower generic fallback. That's lower priority, but I'll file an issue.