func golang.org/x/mod/semver.Major

5 uses

	golang.org/x/mod/semver (current package)
		semver.go#L68: func Major(v string) string {

	golang.org/x/mod/module
		module.go#L605: 	m := semver.Major(v)
		module.go#L619: 		Err:     fmt.Errorf("should be %s, not %s", pathMajor, semver.Major(v)),
		module.go#L640: 	if m != semver.Major(m) {
		pseudo.go#L130: 	return v == ZeroPseudoVersion(semver.Major(v))

The pages are generated with Golds v0.8.4. (GOOS=linux GOARCH=amd64)