http.Get()+ ctx.

go <func> with single waitgroup waitGo := util.GoWg(func() { exampleFunc(foo, bar) }) defer waitGo().

http.Post() + ctx.

os.ReadFile, but returns string.

strings.Cut, but starting from last character, found is either empty or seperator Deprecated: use RevCutv2, when !found, rightOf is returned.

Either base is returned or base + elem, never outside base, except when using symlinks.

always returns [n]string; discards subelements after n.

k8s.io/helm/pkg/urlutil mod: supports // and / in case of multiple absolute paths, last is used.

for errors.Is(err, ERr).