Add Short.toByteArray()

c32843fb · Him188 · abe5db20 · c32843fb
Commit c32843fb authored Feb 19, 2020 by Him188
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mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/TypeConversion.kt ...monMain/kotlin/net.mamoe.mirai/utils/io/TypeConversion.kt +10 -0

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--- a/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/TypeConversion.kt
+++ b/mirai-core/src/commonMain/kotlin/net.mamoe.mirai/utils/io/TypeConversion.kt
@@ -21,6 +21,16 @@ import kotlin.random.nextInt
 * 这些函数为内部函数, 可能会改变
 */

+/**
+ * 255 -> 00 FF
+ */
+fun Short.toByteArray(): ByteArray = with(toInt()) {
+    byteArrayOf(
+        (shr(8) and 0xFF).toByte(),
+        (shr(0) and 0xFF).toByte()
+    )
+}
+
 /**
 * 255 -> 00 00 00 FF
 */