API Reference > bentleyjs-core > Ids > CompressedId64Set > CompressedId64Set.compressSet CompressedId64Set.compressSet Function Given a set of Id64Strings, produce a compact string representation. Useful when serializing potentially large sets of Ids. compressSet(ids: Id64Set): CompressedId64Set note Invalid Ids are ignored. see CompressedId64Set.sortAndCompress to compress any unordered collection of Ids. see CompressedId64Set.compressArray to perform the same operation on an Id64Array. see CompressedId64Set.decompressSet to perform the inverse operation. Parameter Type Description ids Id64Set Returns - CompressedId64Set Defined in core/bentley/src/CompressedId64Set.ts Line 53 Last Updated: 11 June, 2024