adds conversions from CartesianIndex to Number and Tuple #23795
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ssfrr
commented
Sep 20, 2017
test/cartesian.jl
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| @@ -1,7 +1,19 @@ | |||
| # This file is a part of Julia. License is MIT: https://julialang.org/license | |||
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| using Base.Test | |||
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ack, whoops, left this in from local testing. will fix momentarily
timholy
reviewed
Sep 20, 2017
| @@ -123,6 +123,10 @@ module IteratorsMD | |||
| _isless(ret, ::Tuple{}, ::Tuple{}) = ifelse(ret==1, true, false) | |||
| icmp(a, b) = ifelse(isless(a,b), 1, ifelse(a==b, 0, -1)) | |||
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| # conversions | |||
| convert(::Type{T}, index::CartesianIndex{1}) where {T<:Number} = convert(T, index[1]) | |||
| convert(::Type{T}, index::CartesianIndex) where {T<:Tuple} = convert(T, index.I) | |||
mbauman
approved these changes
Sep 22, 2017
|
I think this is a nice follow-up to #23719 — both the constructor and conversion make sense here to me. |
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cc @mbauman