My `MutableLazy` implementation is here: <https://...

# stdlib

[ilya.gorbunov]

My MutableLazy implementation is here: https://gist.github.com/LouisCAD/9b4ef46c12f1f6fe9b45658a8eff194c
3 replies
Regarding the issue itself. I'm not against including it in stdlib, though the use cases have to be discussed. If you have some, do not hesitate to share in that issue's comments.