cmd/go: add test -coverhtml #22964
(maybe this shouldn't be a proposal, it seems trivial enough that we should just do it?)
Inspired by rakyll's suggestion in #16768.
I propose a small change to go test's "coverprofile" flag to output both the binary coverage format as well as HTML. The file extension passed in by the user would switch the output format (".html" for HTML, anything else for the existing behaviour).
This change is simple and highly unlikely to break existing users, unlike #16768, which suggests to add additional flags that overlap with "go tool cover" and can quickly descend into supporting more and more flags.
I propose a to allow
I have started a implementation of this feature in zegl@605724f. Before I open a PR I'd like to discuss one thing:
Should a "naked"