language: go

go:
  - 1.10
  - 1.11
  - tip

matrix:
  allow_failures:
    - go: tip

script:
  - test -z $(gofmt -l .)

language: go

go:
  - "1.10"
  - "1.11"
  - "tip"

matrix:
  allow_failures:
    - go: tip

script:
  - test -z $(gofmt -l .)

Use strings for Go versions
Use strings for Go versions

YAML sees these as numbers so 1.10 is seen as 1.1 which is not the
version we want to target.
