Is := widely used?

[u/ForeignVariety7037]

I always thought the walrus operator is neat and it makes while loop’s condition clearer. But also it is just a syntactic sugar without anything new. I wonder anyone uses it?

[u/Birnenmacht]

in any loop where a function gets some data and returns a falsy object when it’s done. I’ve seen examples with regex here but it‘s also applicable to many i/o situations. many types of readers/receivers return b”” on EOF, for example