Trying to figure out why a test was *occasionally* failing, turns out the culprit is HashMap.
Turns out, the ordering of a HashMap in Rust is not just undefined in terms of the elements - it is different from one run of the program to the next.
I don't like non-determinism.
Caleb James DeLisle /
npub1mh…q233h
2023-10-03 17:11:19
in reply to nevent1q…anz3
Author Public Key
npub1mh5a6mhm4u78glqxhltq7uexv6kddphycthlguvn0ux8ch72tc8q6q233hPublished at
2023-10-03 17:11:19Event JSON
{
"id": "7df2b80155ccde6b14f8630190432e0f1cbe9d972506a4741bf0c5182d613c41",
"pubkey": "dde9dd6efbaf3c747c06bfd60f732666acd686e4c2eff471937f0c7c5fca5e0e",
"created_at": 1696345879,
"kind": 1,
"tags": [
[
"p",
"dde9dd6efbaf3c747c06bfd60f732666acd686e4c2eff471937f0c7c5fca5e0e",
"wss://relay.mostr.pub"
],
[
"e",
"ccfe1dc573279f5519ce5f11e67ebd8f21c7850bcfeff7f66f3370e0f5ce562e",
"wss://relay.mostr.pub",
"reply"
],
[
"proxy",
"https://pkteerium.xyz/objects/4cf1e0e8-26b6-4712-986c-bf5e6743d24c",
"activitypub"
]
],
"content": "Trying to figure out why a test was *occasionally* failing, turns out the culprit is HashMap.\n\nTurns out, the ordering of a HashMap in Rust is not just undefined in terms of the elements - it is different from one run of the program to the next.\n\nI don't like non-determinism.",
"sig": "ae619e7fb7720b565f6b1f142f7cbe1880f135858722c40f9eef784d0602c8608f315214c15395d3891524bdb3c24338edcfd76a97a34e1735d1ff08fdcecbd5"
}