function arrowtype()

in src/eltypes.jl [445:474]

• 30 lines of code
• 7 McCabe index (conditional complexity)

function arrowtype(b, x::List{T,O,A}) where {T,O,A}
    if liststringtype(x)
        if T <: AbstractString || T <: Union{AbstractString,Missing}
            if O == Int32
                Meta.utf8Start(b)
                return Meta.Utf8, Meta.utf8End(b), nothing
            else 
                Meta.largUtf8Start(b)
                return Meta.LargeUtf8, Meta.largUtf8End(b), nothing
            end
        else 
            if O == Int32
                Meta.binaryStart(b)
                return Meta.Binary, Meta.binaryEnd(b), nothing
            else 
                Meta.largeBinaryStart(b)
                return Meta.LargeBinary, Meta.largeBinaryEnd(b), nothing
            end
        end
    else
        children = [fieldoffset(b, "", x.data)]
        if O == Int32
            Meta.listStart(b)
            return Meta.List, Meta.listEnd(b), children
        else
            Meta.largeListStart(b)
            return Meta.LargeList, Meta.largeListEnd(b), children
        end
    end
end