inet.af/netaddr
Package netaddr contains a IP address type that's in many ways better than the Go standard library's net.IP type. Building on that IP type, the package also contains IPPrefix, IPPort, IPRange, and IPSet types. Notably, this package's IP type takes less memory, is immutable, comparable (supports == and being a map key), and more. See https://github.com/inetaf/netaddr for background. IP and IPPort are the only types in this package that support IPv6 zones. Other types silently drop any passed-in zones.
Readme
Please see https://pkg.go.dev/go4.org/netipx and the standard library's
net/netip.
This is a package containing a new IP address type for Go.
See its docs: https://pkg.go.dev/inet.af/netaddr
This package is mature, optimized, and used heavily in production at Tailscale. However, API stability is not yet guaranteed.
netaddr is intended to be a core, low-level package. We take code review, testing, dependencies, and performance seriously, similar to Go's standard library or the golang.org/x repos.
See https://tailscale.com/blog/netaddr-new-ip-type-for-go/ for a long blog post about why we made a new IP address package.
Other links:
In addition to regular Go tests, netaddr uses fuzzing. The corpus is stored separately, in a submodule, to minimize the impact on everyone else.
To use:
$ git submodule update --init
$ go get -u github.com/dvyukov/go-fuzz/go-fuzz github.com/dvyukov/go-fuzz/go-fuzz-build
$ go-fuzz-build && go-fuzz
FAQs
Package netaddr contains a IP address type that's in many ways better than the Go standard library's net.IP type. Building on that IP type, the package also contains IPPrefix, IPPort, IPRange, and IPSet types. Notably, this package's IP type takes less memory, is immutable, comparable (supports == and being a map key), and more. See https://github.com/inetaf/netaddr for background. IP and IPPort are the only types in this package that support IPv6 zones. Other types silently drop any passed-in zones.
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