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twiceyuan/note.kt

Created May 17, 2019 09:59
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[nonce generator] 随机字符串生成器 #Kotlin
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note.kt
fun generateNonce(size: Int): String {
val nonceScope = "1234567890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
val scopeSize = nonceScope.length
val nonceItem: (Int) -> Char = { nonceScope[(scopeSize * Math.random()).toInt()] }
return Array(size, nonceItem).joinToString("")
}
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