prow/tide/tide.go
func byRepoAndNumber(prs []PullRequest) map[string]PullRequest {
	m := make(map[string]PullRequest)
	for _, pr := range prs {
		key := prKey(&pr)
		m[key] = pr
	}
	return m
}
func byRepoAndNumber(prs []PullRequest) map[string]PullRequest {
	m := make(map[string]PullRequest)
	for _, pr := range prs {
		key := prKey(&pr)
		m[key] = pr
	}
	return m
}
func byRepoAndNumber ( prs [ ] PullRequest ) map [ string ] PullRequest { m := make ( map [ string ] PullRequest ) for _ , pr := range prs { key := prKey ( & pr ) m [ key ] = pr } return m }
// org/repo#number -> pr
org / repo#number - > pr