[stephen123]

The main difference is that reading from channels will block if its empty where Futures, return the same value.

Written more concisely.

f := New(func() Type{return t}) v := g.Get() w := g.Get()

[sa46]

When do you find reusing a promise useful? I know one canonical example is a loadable hashmap as in Concurrent Programming in Java, but I was curious if you knew of other examples.

[ilyt]

I wish Go had macros a'la Rust, it would be possible to write the whole thing in so much nicer way.

[philosopher1234]

say good bye to all your nice tooling, fast compile times, uniform code bases...

Programmer write cost <<<<<<<<< read cost