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Update type mutability check in IO.jl #409

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Update type mutability check in IO.jl #409

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5f0e5e5
Fix: update mutable type check and julia compat bound
mrufsvold Feb 22, 2022
0662874
Update: make ismutabletype check VERSION and update compat
mrufsvold Mar 28, 2022
5ca7417
Fix: resolve namespace collision
mrufsvold Mar 28, 2022
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11 changes: 10 additions & 1 deletion src/io.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -235,12 +235,21 @@ function _evenlydistribute!(t, wrkrs)
end
end

_ismutabletype = if VERSION < v"1.7"
function ismutabletype(@nospecialize(t::Type))
t = unwrap_unionall(t)
return isa(t, DataType) && t.name.flags & 0x2 == 0x2
end
else
Base.ismutabletype
end

deserialize(io::AbstractSerializer, DT::Type{DNDSparse{K,V}}) where {K,V} = _deser(io, DT)
deserialize(io::AbstractSerializer, DT::Type{DIndexedTable{T,K}}) where {T,K} = _deser(io, DT)
function _deser(io::AbstractSerializer, t)
nf = fieldcount(t)
x = ccall(:jl_new_struct_uninit, Any, (Any,), t)
t.mutable && Serialization.deserialize_cycle(io, x)
_ismutabletype(t) && Serialization.deserialize_cycle(io, x)
for i in 1:nf
tag = Int32(read(io.io, UInt8)::UInt8)
if tag != Serialization.UNDEFREF_TAG
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