replace IllegalArgumentException with require

src/commonMain/kotlin/com/infendro/bytearray/Conversion.kt

@@ -5,8 +5,7 @@ import com.infendro.bytearray.ByteOrder.BIG_ENDIAN
 fun ByteArray.toInt(
     order: ByteOrder = BIG_ENDIAN,
 ): Int {
-    if (size != 4)
-        throw IllegalArgumentException()
+    require(size == 4)
 
     return normalize(order)
         .fold(0) { acc, byte -> (acc shl 8) or (byte.toInt() and 0xFF) }
@@ -27,8 +26,7 @@ fun UByteArray.toUInt(
 fun ByteArray.toIntArray(
     order: ByteOrder = BIG_ENDIAN,
 ): IntArray {
-    if (size % 4 != 0)
-        throw IllegalArgumentException()
+    require(size % 4 == 0)
 
     return asList()
         .chunked(4) { it.toByteArray().toInt(order) }
@@ -94,8 +92,7 @@ fun UIntArray.toUByteArray(
 fun ByteArray.toLong(
     order: ByteOrder = BIG_ENDIAN,
 ): Long {
-    if (size != 8)
-        throw IllegalArgumentException()
+    require(size == 8)
 
     return normalize(order)
         .fold(0L) { acc, byte -> (acc shl 8) or (byte.toLong() and 0xFFL) }
@@ -116,8 +113,7 @@ fun UByteArray.toULong(
 fun ByteArray.toLongArray(
     order: ByteOrder = BIG_ENDIAN,
 ): LongArray {
-    if (size % 8 != 0)
-        throw IllegalArgumentException()
+    require(size % 8 == 0)
 
     return asList()
         .chunked(8) { it.toByteArray().toLong(order) }