https://ettolrach.com/blog/bidirectional_inference.html
「 What it really boils down to is productivity–we wanted to design a tool that would make developers more productive, all the way from prototype to production code. Other products lure you with visual tools, but once you get halfway through your project, they let you down because of sluggish performance, lack of extensibility, or general stability problems 」
https://deprogrammaticaipsum.com/federico-biancuzzi-shane-warden-anders-hejlsberg/

Among all the books featured in the Library section of this magazine, there is one that has been mentioned particularly often, again and again. We are talking about the excellent "Masterminds of Programming: Conversations with the Creators of Major Programming Languages" by Federico Biancuzzi and Shane Warden, published by O'Reilly in 2009. It is high time that we dedicated a full entry to this gem, focusing on one of the interviews in particular: that of Anders Hejlsberg.
Formally speaking, "Transpiler" is a useless word
https://fed.brid.gy/r/https://people.csail.mit.edu/rachit/post/transpiler-formal/
👉 From Zero to QED: An informal introduction to formality in Lean 4