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3D What do you think about the Slang shader language (+ lib)

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I just found out about https://github.com/shader-slang/slang. It's a shader language and accompanied by a library that is supposed to make it easier to work with modular shaders.
What do you think about that? 
Here is the paper that describes the concept: http://graphics.cs.cmu.edu/projects/shadercomp/he17_shadercomp.pdf
Thanks in advance

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