I want to make a type that wraps an IO stream and measures how much data is read through (or written to) it. Something like this: mutable struct MeasuredStream <: IO io::IO nread::Int nwritten::Int MeasuredStream(io) = new(io, 0, 0) end function Base.read(s::MeasuredStream, nb=typemax(Int…

Here is an attempt to satisfy both of these, but it is super hacky. I am especially disappointed by the need to implement Base.setup_stdio to get the pipeline to work. I think the problem is that there is no place in the IO type hierarchy to attach a new type that is not backed by a file handle. I w…

Making a simple wrapper for an IO stream

General Usage

stevengj January 2, 2021, 2:16pm 8

Is there any reason why a method like the one you wrote couldn’t simply be the fallback method for any ::IO type? That would be an even easier change than adding new type…

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Making a simple wrapper for an IO stream

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