Merge pull request #136 from mackerelio/update

go.mod from 1.14 to 1.18

.github/workflows/ci.yml

@@ -9,8 +9,8 @@ jobs:
   test:
     strategy:
       matrix:
-        os: ['ubuntu-20.04', 'macOS-11', 'windows-2019']
-        go: ['1.17.x', '1.16.x']
+        os: ['ubuntu-22.04', 'macOS-12', 'windows-2022']
+        go: ['1.19.x', '1.18.x']
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v3

go.mod

@@ -1,6 +1,6 @@
 module github.com/mackerelio/mackerel-client-go
 
-go 1.14
+go 1.18
 
 require (
 	github.com/kylelemons/godebug v1.1.0

monitors.go

@@ -121,7 +121,6 @@ var (
 
 // Ensure only monitor types defined in this package can be assigned to the
 // Monitor interface.
-//
 func (m *MonitorConnectivity) isMonitor()     {}
 func (m *MonitorHostMetric) isMonitor()       {}
 func (m *MonitorServiceMetric) isMonitor()    {}