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Fix type instability in closure emitted by flatten for Vector #61

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Jun 15, 2023
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7 changes: 6 additions & 1 deletion src/flatten.jl
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,12 @@ function flatten(::Type{T}, x::R) where {T<:Real,R<:Real}
return v, unflatten_to_Real
end

flatten(::Type{T}, x::Vector{R}) where {T<:Real,R<:Real} = (Vector{T}(x), Vector{R})
function flatten(::Type{T}, x::Vector{R}) where {T<:Real,R<:Real}
function unflatten_to_Vector(v::Vector{T})
return convert(Vector{R}, v)
end
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return Vector{T}(x), unflatten_to_Vector
end

function _flatten_vector_integer(::Type{T}, x::AbstractVector{<:Integer}) where {T<:Real}
unflatten_to_Vector_Integer(x_vec) = x
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