Comment by hnlmorg
5 hours ago
This has nothing to do with Chrome.
This is Go (golang). It’s not even the same language used in the development of Chrome.
And the reason I make the distinction between feature flags and this is because some of the “experiments” discussed in the article are new packages / modules. So you’re not changing compiler behaviour via a flag or env var. You’re just importing a new package that isn’t yet considered stable.
I think the way Google handles flags/experiments in one project (Chrome) is very relevant to interpreting the language around how they handle flags/experiments in another project (Go).
And I'm pretty sure that their example is that importing "encoding/json/v2" doesn't work until you tell the compiler to enable it via environment variable.