Publish packages via GitHub Actions #14

* Fix build error

.github/workflows/sandbox_build.yml

@@ -26,5 +26,5 @@ jobs:
 
       - name: Test
         run: |
-          echo ${{ steps.get_version.outputs.VERSION1 }
-          echo ${{ steps.get_version.outputs.VERSION2 }
+          echo ${{ steps.get_version.outputs.VERSION1 }}
+          echo ${{ steps.get_version.outputs.VERSION2 }}

frextensions/src/main/java/org/fog_rock/frextensions/ktx/operator/Operator.kt

@@ -0,0 +1,25 @@
+package org.fog_rock.frextensions.ktx.operator
+
+fun and(vararg values: Boolean?): Boolean {
+    var ret = false
+    values.forEach {
+        if (it != null) ret = ret.and(it)
+    }
+    return ret
+}
+
+fun or(vararg values: Boolean?): Boolean {
+    var ret = false
+    values.forEach {
+        if (it != null) ret = ret.or(it)
+    }
+    return ret
+}
+
+fun xor(vararg values: Boolean?): Boolean {
+    var ret = false
+    values.forEach {
+        if (it != null) ret = ret.xor(it)
+    }
+    return ret
+}