go.mod: bump to go1.20 (#24)

Update github actions
Fix staticheck lint.

Author: maruel

.github/workflows/test.yml

@@ -19,7 +19,7 @@ jobs:
     # benchmarks. At the end do a quick check to ensure the tests to not leave
     # files in the tree.
   test:
-    name: "test: go${{matrix.gover}}.x/${{matrix.os}}"
+    name: "test: ${{matrix.os}}"
     runs-on: "${{matrix.os}}"
     continue-on-error: true
     defaults:
@@ -29,8 +29,6 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
-        # Do not forget to bump every 6 months!
-        gover: ["1.19"]
     env:
       PYTHONDONTWRITEBYTECODE: x
     steps:
@@ -40,10 +38,9 @@ jobs:
     - uses: actions/checkout@v3
       with:
         fetch-depth: 2
-    - uses: actions/setup-go@v3
+    - uses: actions/setup-go@v4
       with:
-        go-version: "~${{matrix.gover}}.0"
-        cache: true
+        go-version-file: go.mod
     - name: 'go install necessary tools'
       if: always()
       run: |
@@ -53,6 +50,7 @@ jobs:
       run: go test -timeout=120s -covermode=count -coverprofile coverage.txt -bench=. -benchtime=1x ./...
       # Don't send code coverage if anything failed to reduce spam.
     - uses: codecov/codecov-action@v2
+      timeout-minutes: 1
     - name: 'Cleanup'
       if: always()
       run: rm coverage.txt
@@ -87,7 +85,7 @@ jobs:
     # to cut on runtime, at the cost of latency. I dislike waiting for results
     # so I prefer to run them in parallel.
   lint:
-    name: "lint: go${{matrix.gover}}.x/${{matrix.os}}"
+    name: "lint: ${{matrix.os}}"
     runs-on: "${{matrix.os}}"
     continue-on-error: true
     defaults:
@@ -100,19 +98,16 @@ jobs:
         # OS-specific code benefits from explicitly linting on macOS and
         # Windows.
         os: [ubuntu-latest, macos-latest, windows-latest]
-        # Do not forget to bump every 6 months!
-        gover: ["1.19"]
     env:
       PYTHONDONTWRITEBYTECODE: x
     steps:
     - name: Turn off git core.autocrlf
       if: matrix.os == 'windows-latest'
       run: git config --global core.autocrlf false
     - uses: actions/checkout@v3
-    - uses: actions/setup-go@v3
+    - uses: actions/setup-go@v4
       with:
-        go-version: "~${{matrix.gover}}.0"
-        cache: true
+        go-version-file: go.mod
     - name: "Debug"
       run: |
         echo HOME = $HOME
@@ -296,23 +291,20 @@ jobs:
 
 
   codeql:
-    name: "codeql: go${{matrix.gover}}.x/${{matrix.os}}"
+    name: "codeql: ${{matrix.os}}"
     runs-on: "${{matrix.os}}"
     continue-on-error: true
     strategy:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        # Do not forget to bump every 6 months!
-        gover: ["1.19"]
     permissions:
       security-events: write
     steps:
     - uses: actions/checkout@v3
-    - uses: actions/setup-go@v3
+    - uses: actions/setup-go@v4
       with:
-        go-version: "~${{matrix.gover}}.0"
-        cache: true
+        go-version-file: go.mod
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v2
       with:

analog/analog_test.go

@@ -35,7 +35,10 @@ func TestINVALID(t *testing.T) {
 	if INVALID.Halt() == nil {
 		t.Fatal("Halt")
 	}
-	INVALID.Range()
+	sample := Sample{}
+	if s1, s2 := INVALID.Range(); s1 != sample || s2 != sample {
+		t.Fatal("Range")
+	}
 	if _, err := INVALID.Read(); err == nil {
 		t.Fatal("Read")
 	}

go.mod

@@ -4,7 +4,7 @@
 
 module periph.io/x/conn/v3
 
-go 1.17
+go 1.20
 
 // Warning: do not add any external dependencies here unless absolutely necessary.
 // This package should primarily depend on the standard library.