Object2DArray#getOrElse

.idea/gradle.xml

@@ -10,10 +10,8 @@
           <set>
             <option value="$PROJECT_DIR$" />
             <option value="$PROJECT_DIR$/gson" />
-            <option value="$PROJECT_DIR$/gson-linear-algebra" />
             <option value="$PROJECT_DIR$/guava" />
             <option value="$PROJECT_DIR$/kommons-mc" />
-            <option value="$PROJECT_DIR$/linear-algebra" />
           </set>
         </option>
       </GradleProjectSettings>

gradle.properties

@@ -4,7 +4,7 @@ kotlin.code.style=official
 specifyKotlinAsDependency=false
 
 projectGroup=ru.dbotthepony.kommons
-projectVersion=2.15.0
+projectVersion=2.15.1
 
 guavaDepVersion=33.0.0
 gsonDepVersion=2.8.9

src/main/kotlin/ru/dbotthepony/kommons/arrays/Object2DArray.kt

@@ -89,6 +89,27 @@ class Object2DArray<T> private constructor(
 		return mem[column * rows + row] as T
 	}
 
+	fun getOrNull(column: Int, row: Int): T? {
+		if (column !in 0 until columns || row !in 0 until rows)
+			return null
+
+		return mem[column * rows + row] as T
+	}
+
+	fun getOrElse(column: Int, row: Int, orElse: T): T {
+		if (column !in 0 until columns || row !in 0 until rows)
+			return orElse
+
+		return mem[column * rows + row] as T
+	}
+
+	fun getOrElse(column: Int, row: Int, orElse: () -> T): T {
+		if (column !in 0 until columns || row !in 0 until rows)
+			return orElse.invoke()
+
+		return mem[column * rows + row] as T
+	}
+
 	operator fun set(column: Int, row: Int, value: T) {
 		if (column !in 0 until columns || row !in 0 until rows)
 			throw IndexOutOfBoundsException("Matrix index out of bounds: $column x $row, while this array has dimensions of $columns x $rows")