Tag

go 1 23

3 articles

Flat illustration of a buffered channel between a sender and a receiver.

Concurrency

Iterators Instead of Channels in Go 1.23 and Later

Compare range-over-func iterators and channel generators in Go 1.23 and later: cost per item, early break, cancellation, iter.Pull and when channels win.

7 min read

Flat illustration of a grid of heap cells with the garbage collector sweeping across it.

Concurrency

Time After Leaks and the Timer Changes in Go 1.23 Fixed

Why time.After in a loop used to leak memory, what Go 1.23 changed for timers and tickers, how go.mod gates it, and the Reset pattern that remains.

7 min read

Flat illustration of an editor window full of code.

Basics

Range Over Integers and Functions in Go 1.22 and 1.23

Go 1.22 lets you range over an integer and Go 1.23 over an iterator function. See how yield works, the iter package helpers, early break and the go.mod rule.

8 min read