Adds AnyValueInMap helper (#8)

* Adds AnyValueInMap helper

* fix linting error

* fix go version in lint action

.github/workflows/lint.yaml

@@ -14,7 +14,7 @@ jobs:
     steps:
       - uses: actions/setup-go@v3
         with:
-          go-version: 1.17
+          go-version: 1.18
       - uses: actions/checkout@v3
       - name: golangci-lint
         uses: golangci/golangci-lint-action@v3

utils/any_value_in_map.go

@@ -0,0 +1,11 @@
+package utils
+
+// AnyValueInMap iterates through values and returns true if any has a key in the map.
+func AnyValueInMap[T comparable, V any](m map[T]V, values ...T) bool {
+	for _, v := range values {
+		if _, ok := m[v]; ok {
+			return true
+		}
+	}
+	return false
+}

utils/any_value_in_map_test.go

@@ -0,0 +1,21 @@
+package utils_test
+
+import (
+	"testing"
+
+	"github.com/aidenwallis/go-utils/utils"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAnyValueInMap(t *testing.T) {
+	t.Parallel()
+
+	m := map[string]struct{}{
+		"1": {},
+		"2": {},
+		"3": {},
+	}
+
+	assert.True(t, utils.AnyValueInMap(m, "foobar", "1"))
+	assert.False(t, utils.AnyValueInMap(m, "foobar"))
+}

utils/ternary_test.go

@@ -10,6 +10,6 @@ import (
 func TestTernary(t *testing.T) {
 	t.Parallel()
 
-	assert.Equal(t, "a", utils.Ternary(1 == 1, "a", "b"))
+	assert.Equal(t, "a", utils.Ternary(1 == 1, "a", "b")) // nolint:staticcheck // intended
 	assert.Equal(t, "b", utils.Ternary(1 == 2, "a", "b"))
 }