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Nim OID support. An OID is a global ID that consists of a timestamp, a unique counter and a random value. This combination should suffice to produce a globally distributed unique ID. This implementation was extracted from the MongoDB interface and is thus binary compatible with a MongoDB OID.

This implementation calls initRand() for the first call of genOid.


Oid = object
  time: int32
  fuzz: int32
  count: int32
An OID.   Source   Edit


proc `$`(oid: Oid): string {....raises: [], tags: [].}
Converts an OID to a string.   Source   Edit
proc `==`(oid1: Oid; oid2: Oid): bool {.inline, ...raises: [], tags: [].}
Compares two OIDs for equality.   Source   Edit
proc generatedTime(oid: Oid): Time {....raises: [], tags: [].}
Returns the generated timestamp of the OID.   Source   Edit
proc genOid(): Oid {....raises: [], tags: [TimeEffect].}
Generates a new OID.


doAssert ($genOid()).len == 24

Example: cmd: -r:off

echo $genOid() # for example, "5fc7f546ddbbc84800006aaf"
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proc hash(oid: Oid): Hash {....raises: [], tags: [].}
Generates the hash of an OID for use in hashtables.   Source   Edit
proc hexbyte(hex: char): int {.inline, ...raises: [], tags: [].}
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proc oidToString(oid: Oid; str: cstring) {....deprecated: "unsafe; use `$`",
    raises: [], tags: [].}
Deprecated: unsafe; use `$`
Converts an oid to a string which must have space allocated for 25 elements.   Source   Edit
proc parseOid(str: cstring): Oid {....raises: [], tags: [].}
Parses an OID.   Source   Edit