Revision 9b8e5755d39111293d8613be5355668efe19dfe7 authored by Simon Byrne on 02 December 2023, 20:33:33 UTC, committed by Simon Byrne on 02 December 2023, 20:33:33 UTC
1 parent f2df9d3
FillArrays.jl
module FillArrays
struct Fill{T, N, S<:NTuple{N,Integer}} <: AbstractArray{T,N}
value::T
size::S
end
Fill(v, size::Vararg{Integer}) = Fill(v, size)
Base.size(F::Fill) = F.size
@inline getindex_value(F::Fill) = F.value
@inline function Base.getindex(F::Fill{<:Any,N}, i::Vararg{Int,N}) where {N}
@boundscheck checkbounds(F, i...)
getindex_value(F)
end
@inline function Base.setindex!(F::Fill, v, k::Integer)
@boundscheck checkbounds(F, k)
v == getindex_value(F) || throw(ArgumentError("Cannot setindex! to $v for a Fill with value $(getindex_value(F))."))
F
end
@inline function Base.fill!(F::Fill, v)
v == getindex_value(F) || throw(ArgumentError("Cannot fill! with $v a Fill with value $(getindex_value(F))."))
F
end
Base.show(io::IO, F::Fill) = print(io, "Fill($(F.value), $(F.size))")
Base.show(io::IO, ::MIME"text/plain", F::Fill) = show(io, F)
end
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