Adding some extensions

src/main/kotlin/org/duckdns/davygora/matrix/impl/MatrixExtentions.kt

@@ -0,0 +1,24 @@
+package org.duckdns.davygora.matrix.impl
+
+import org.duckdns.davygora.matrix.Matrix
+import org.duckdns.davygora.matrix.MutableMatrix
+import org.duckdns.davygora.matrix.storage.toMatrixStorage
+import org.duckdns.davygora.matrix.util.toListChecked
+
+inline fun <reified T> mutableMatrixOf(
+    xSize: Int,
+    ySize: Int,
+    vararg matrix: T,
+) = ArrayMatrix(xSize, ySize, matrix.asList().toMatrixStorage()) as MutableMatrix<T>
+
+inline fun <reified T> matrixOf(
+    xSize: Int,
+    ySize: Int,
+    vararg matrix: T,
+) = mutableMatrixOf(xSize, ySize, *matrix) as Matrix<T>
+
+inline fun <reified T> Iterable<Any>.toMatrix() = ArrayMatrix.create(this.map { it.toListChecked<T>() })
+
+inline fun <reified T> Array<Any>.toMatrix() = this.asList().toMatrix<T>()
+
+inline fun <reified T> Sequence<Any>.toMatrix() = this.toList().toMatrix<T>()

src/main/kotlin/org/duckdns/davygora/matrix/util/IterableUtils.kt

@@ -0,0 +1,22 @@
+package org.duckdns.davygora.matrix.util
+
+@Suppress("UNCHECKED_CAST")
+inline fun <reified T> Any.toListChecked(): List<T> =
+    when (this) {
+        is List<*> -> this
+        is Collection<*> -> this.toList()
+        is Iterable<*> -> this.toList()
+        is Sequence<*> -> this.toList()
+        is Array<*> -> this.asList()
+        is BooleanArray -> this.asList()
+        is ByteArray -> this.asList()
+        is CharArray -> this.asList()
+        is DoubleArray -> this.asList()
+        is FloatArray -> this.asList()
+        is IntArray -> this.asList()
+        is LongArray -> this.asList()
+        is ShortArray -> this.asList()
+        else -> error("Unsupported type: ${this::class}")
+    }.also { list ->
+        require(list.all { it is T })
+    } as List<T>