Use strings.Cut in parseCPURange

tklauser · Nov 30, 2023 · 32d39fd · 32d39fd
1 parent 7080285
commit 32d39fd
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Showing 3 changed files with 6 additions and 6 deletions.
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -12,7 +12,7 @@ jobs:
   build-and-test:
     strategy:
       matrix:
-        go-version: ['1.19', '1.20', '1.21']
+        go-version: ['1.18', '1.20', '1.21']
         os: [ubuntu-latest, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
 

diff --git a/go.mod b/go.mod
@@ -1,5 +1,5 @@
 module github.com/tklauser/numcpus
 
-go 1.13
+go 1.18
 
 require golang.org/x/sys v0.15.0
diff --git a/numcpus_linux.go b/numcpus_linux.go
@@ -48,16 +48,16 @@ func parseCPURange(cpus string) (int, error) {
 		if len(cpuRange) == 0 {
 			continue
 		}
-		rangeOp := strings.SplitN(cpuRange, "-", 2)
-		first, err := strconv.ParseUint(rangeOp[0], 10, 32)
+		from, to, found := strings.Cut(cpuRange, "-")
+		first, err := strconv.ParseUint(from, 10, 32)
 		if err != nil {
 			return 0, err
 		}
-		if len(rangeOp) == 1 {
+		if !found {
 			n++
 			continue
 		}
-		last, err := strconv.ParseUint(rangeOp[1], 10, 32)
+		last, err := strconv.ParseUint(to, 10, 32)
 		if err != nil {
 			return 0, err
 		}