util.go 865 B

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  1. // Copyright 2016 CoreOS, Inc.
  2. //
  3. // Licensed under the Apache License, Version 2.0 (the "License");
  4. // you may not use this file except in compliance with the License.
  5. // You may obtain a copy of the License at
  6. //
  7. // http://www.apache.org/licenses/LICENSE-2.0
  8. //
  9. // Unless required by applicable law or agreed to in writing, software
  10. // distributed under the License is distributed on an "AS IS" BASIS,
  11. // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12. // See the License for the specific language governing permissions and
  13. // limitations under the License.
  14. package main
  15. func getSameValue(vals map[string]int64) (int64, bool) {
  16. var rv int64
  17. for _, v := range vals {
  18. if rv == 0 {
  19. rv = v
  20. }
  21. if rv != v {
  22. return -1, false
  23. }
  24. }
  25. return rv, true
  26. }
  27. func max(n1, n2 int64) int64 {
  28. if n1 > n2 {
  29. return n1
  30. }
  31. return n2
  32. }