var golang.org/x/tools/internal/pkgbits.introduced

2 uses

	golang.org/x/tools/internal/pkgbits (current package)
		version.go#L68: var introduced = [numFields]Version{
		version.go#L84: 	return introduced[f] <= v && (v < removed[f] || removed[f] == V0)

The pages are generated with Golds v0.7.6. (GOOS=linux GOARCH=amd64)