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Fix timestamp prefix in UUIDv7 #260

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merged 2 commits into from
Oct 31, 2023
Merged

Fix timestamp prefix in UUIDv7 #260

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89e10ea
Fix timestamp prefix in UUIDv7
hfhbd Oct 31, 2023
dcb2b08
Fix timestamp prefix in UUIDv7
hfhbd Oct 31, 2023
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4 changes: 2 additions & 2 deletions kotlinx-uuid-core/src/commonMain/kotlin/kotlinx/uuid/UUID7.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -14,10 +14,10 @@
@UUIDExperimentalAPI
public fun UUIDv7(timeStamp: Long, random: Random = SecureRandom): UUID {
require(timeStamp <= UNIX_48_TIMESTAMP) {
"timeStamp $timeStamp must be 48 bits, was $timeStamp."
"timeStamp $timeStamp must be <= 48 bits, was $timeStamp."
}
val leftTimeStamp = timeStamp shl 16
val rand_a = (random.nextInt() shr 20).toLong()
val rand_a = random.nextBits(12).toLong()
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val timeStampAndVersionRaw = (leftTimeStamp or rand_a) and -0xf001L or 0x7000L

// set variant to 4 or 5
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