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faster indexing with UInt for Arrays #29784

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Oct 25, 2018
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4 changes: 4 additions & 0 deletions base/indices.jl
Original file line number Diff line number Diff line change
Expand Up @@ -246,6 +246,10 @@ simply calls the generic `to_index(i)`. This must return either an `Int` or an
"""
to_index(A, i) = to_index(i)

# This is ok for Array because values larger than
# typemax(Int) will BoundsError anyway
to_index(A::Array, i::UInt) = reinterpret(Int, i)

"""
to_index(i)

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