or ``` fun ByteArray toHexString = joinToString byte gt 02x kotlinlang #stdlib

or ``` fun ByteArray.toHexString() = joinToString(...

marcinmoskala

06/19/2017, 1:39 PM

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fun ByteArray.toHexString() = joinToString("") { byte -> "%02x".format(byte) }

But I would need to unit-test it to be sure if this one is ok

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