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SOneTo subtypes AbstractOneTo #1302

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SOneTo subtypes AbstractOneTo #1302

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e98f5b3
SOneTo subtypes AbstractOneTo
jishnub Apr 2, 2025
daa194f
update supertype
jishnub Sep 12, 2025
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5 changes: 4 additions & 1 deletion src/SOneTo.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,10 @@
Return a statically-sized `AbstractUnitRange` starting at `1`, functioning as the `axes` of
a `StaticArray`.
"""
struct SOneTo{n} <: AbstractUnitRange{Int}
SOneTo

const SOneToSupertype = isdefined(Base, :AbstractOneTo) ? Base.AbstractOneTo : AbstractUnitRange
struct SOneTo{n} <: SOneToSupertype{Int}
end

SOneTo(n::Int) = SOneTo{n}()
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9 changes: 7 additions & 2 deletions src/abstractarray.jl
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Expand Up @@ -142,8 +142,13 @@ const HeterogeneousBaseShape = Union{Integer, Base.OneTo}
const HeterogeneousShape = Union{HeterogeneousBaseShape, SOneTo}
const HeterogeneousShapeTuple = Tuple{Vararg{HeterogeneousShape}}

similar(A::AbstractArray, ::Type{T}, shape::HeterogeneousShapeTuple) where {T} = similar(A, T, homogenize_shape(shape))
similar(::Type{A}, shape::HeterogeneousShapeTuple) where {A<:AbstractArray} = similar(A, homogenize_shape(shape))
if isdefined(Base, :AbstractOneTo)
similar(A::AbstractArray, ::Type{T}, shape::Tuple{SOneTo, Vararg{SOneTo}}) where {T} = similar(A, T, homogenize_shape(shape))
similar(::Type{A}, shape::Tuple{SOneTo, Vararg{SOneTo}}) where {A<:AbstractArray} = similar(A, homogenize_shape(shape))
else
similar(A::AbstractArray, ::Type{T}, shape::HeterogeneousShapeTuple) where {T} = similar(A, T, homogenize_shape(shape))
similar(::Type{A}, shape::HeterogeneousShapeTuple) where {A<:AbstractArray} = similar(A, homogenize_shape(shape))
end
# Use an Array for StaticArrays if we don't have a statically-known size
similar(::Type{A}, shape::Tuple{Int, Vararg{Int}}) where {A<:StaticArray} = Array{eltype(A)}(undef, shape)

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