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 it thus binary compatible with a Mongo OID.

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


hashes, times, endians


Oid = object
  time: int32
  fuzz: int32
  count: int32
an OID Source Edit


proc `==`(oid1: Oid; oid2: Oid): bool {...}{.raises: [], tags: [].}
Compare two Mongo Object IDs for equality Source Edit
proc hash(oid: Oid): Hash {...}{.raises: [], tags: [].}
Generate hash of Oid for use in hashtables Source Edit
proc hexbyte(hex: char): int {...}{.raises: [], tags: [].}
Source Edit
proc parseOid(str: cstring): Oid {...}{.raises: [], tags: [].}
parses an OID. Source Edit
proc oidToString(oid: Oid; str: cstring) {...}{.raises: [], tags: [].}
Source Edit
proc `$`(oid: Oid): string {...}{.raises: [], tags: [].}
Source Edit
proc genOid(): Oid {...}{.raises: [], tags: [TimeEffect].}
generates a new OID. Source Edit
proc generatedTime(oid: Oid): Time {...}{.raises: [], tags: [].}
returns the generated timestamp of the OID. Source Edit

© 2006–2021 Andreas Rumpf
Licensed under the MIT License.