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Generalize getindex for AbstractUnitRanges #17980

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Merged
merged 1 commit into from
Aug 13, 2016
Merged

Generalize getindex for AbstractUnitRanges #17980

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5 changes: 3 additions & 2 deletions base/range.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -499,10 +499,11 @@ end

getindex(r::Range, ::Colon) = copy(r)

function getindex{T<:Integer}(r::UnitRange, s::AbstractUnitRange{T})
function getindex{T<:Integer}(r::AbstractUnitRange, s::AbstractUnitRange{T})
@_inline_meta
@boundscheck checkbounds(r, s)
st = oftype(r.start, r.start + first(s)-1)
f = first(r)
st = oftype(f, f + first(s)-1)
range(st, length(s))
end

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1 change: 1 addition & 0 deletions test/ranges.jl
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Expand Up @@ -755,6 +755,7 @@ r = Base.OneTo(3)
@test minimum(r) == 1
@test maximum(r) == 3
@test r[2] == 2
@test r[2:3] === 2:3
@test_throws BoundsError r[4]
@test_throws BoundsError r[0]
@test r+1 === 2:4
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