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Add range interface methods to Axis #176

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Jan 21, 2020
Merged

Add range interface methods to Axis #176

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4 changes: 4 additions & 0 deletions src/core.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,10 @@ Base.IteratorEltype(::Type{<:Axis}) = Base.HasEltype()
Base.iterate(::Type{T}) where {T<:Axis} = (T, nothing)
Base.iterate(::Type{T}, ::Any) where {T<:Axis} = nothing

Base.first(A::Axis) = first(A.val)
Base.last(A::Axis) = last(A.val)
Base.step(A::Axis{name,<:AbstractRange}) where {name} = step(A.val)

"""
An AxisArray is an AbstractArray that wraps another AbstractArray and
adds axis names and values to each array dimension. AxisArrays can be indexed
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3 changes: 3 additions & 0 deletions test/core.jl
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Expand Up @@ -197,6 +197,9 @@ T = A[AxisArrays.Axis{:x}]
@test length(Axis{:col}(-1:2)) === 4
@test AxisArrays.axisname(Axis{:foo}(1:2)) == :foo
@test AxisArrays.axisname(Axis{:foo}) == :foo
@test first(Axis{:row}(1:3)) == 1
@test step(Axis{:row}(1:3)) == 1
@test last(Axis{:row}(1:3)) == 3

# Test Timetype axis construction
dt, vals = DateTime(2010, 1, 2, 3, 40), randn(5,2)
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