[ronnier]

Immutability was gaining huge traction with Java... then large parts of the industry switched to golang and we hardly make anything immutable.

[XorNot]

Go desperately needs support for immutable structs that copy cleanly.

I want to be able to write `x := y` and be sure I don't have mutable slices and pointer types being copied unsafely.

[ottah]

I would kill for an immutable error type

[antonvs]

Go is the new PHP.

[LogicHound]

Much like PHP, you can actually get stuff done unlike a lot of other programming languages.