func Only(ops ...Operation) Matcher {
	return func(ctx *Context) bool {
		// allow if operation is listed
		for _, op := range ops {
			if op == ctx.Operation {
				return true
			}
		}

		return false
	}
}
func Only(ops ...Operation) Matcher {
	return func(ctx *Context) bool {
		
		for _, op := range ops {
			if op == ctx.Operation {
				return true
			}
		}

		return false
	}
}
func Only ( ops ... Operation ) Matcher { return func ( ctx * Context ) bool { // allow if operation is listed for _ , op := range ops { if op == ctx . Operation { return true } } return false } }
// Only will match if the operation is present in the provided list.
Only will match if the operation is present in the provided list .