... 
        this(R)(R data)
        {
            import std...

...some problems. https://en.wikipedia.org/wiki/Data-flow_analysis

To construct an SSA IR...

...this(string data)
        {
            import std.conv : to;
            value = data.to!T;
            input = data;
        }

        string toString...

...providing the method access to all necessary data contained within the object.
This is exactly...

...for me that would reduce boilerplate and increase expressiveness for the straightforward data-transformation programs.

...problem + code generation + value heavy assessment of data

An nn is a const time machine...

...startup that's using it.

Scripting and data analysis are two. Those are often done...

...just so much better at dealing with data manipulations than hacking the equivalent functionality with...

...WindowsApps;C:\Users\VasilisAnagnostopoul\AppData\Local\Coursier\data\bin;C:\Users\VasilisAnagnostopoul\AppData\Local\Programs...

...quality of implementation.
I should note that data flow analysis is necessary to produce good...