UUID vs ULID in Rust

ids.ipynb

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    ":dep uuid = \"1.6.1\"\n",
    ":dep ulid = \"1.1.0\""
   ]
  },
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      "string = 01HKS2T7B779NTCB113A6D4MYB ulid = 01HKS2T7B779NTCB113A6D4MYB\n"
     ]
    }
   ],
   "source": [
    "use ulid::Ulid;\n",
    "\n",
    "// Generate a ulid\n",
    "let ulid = Ulid::new();\n",
    "\n",
    "// Generate a string for a ulid\n",
    "let s = ulid.to_string();\n",
    "\n",
    "// Create from a String\n",
    "let res = Ulid::from_string(&s);\n",
    "\n",
    "println!(\"string = {:} ulid = {:}\", s, ulid);\n",
    "\n",
    "assert_eq!(ulid, res.unwrap());\n"
   ]
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   "source": [
    "### uuid example "
   ]
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     "text": [
      "ulid = 67e55044-10b1-426f-9247-bb680e5fe0c8\n"
     ]
    }
   ],
   "source": [
    "use uuid::{uuid, Uuid};\n",
    "\n",
    "const ID: Uuid = uuid!(\"67e55044-10b1-426f-9247-bb680e5fe0c8\");\n",
    "\n",
    "println!(\"uuid = {:}\", ID);\n"
   ]
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uuid vs ulid