{
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"path": "/t/change-error-message-of-a-failing-assert-eq/24118?page=2#post_24",
"publishedAt": "2026-04-04T09:06:13.000Z",
"site": "https://internals.rust-lang.org",
"textContent": "Rather than fiddling around with expected vs actual and updating the macro syntax, I'd rather the message just state what the arguments in the macro were. I.e., `assert_eq!(some_object.array[i], Some(\"foo\"))` could print something like 'assert some_object.array[i] == Some(\"foo\") failed: left is XXX, right is YYY'",
"title": "Change error message of a failing `assert_eq!`"
}