{"record":{"id":"6bde2f5147200937","repo":"gleam-lang/gleam","slug":"modulo-result-to-be-a-valid-u32","errorCode":null,"errorMessage":"modulo result to be a valid u32","messagePattern":"modulo result to be a valid u32","errorType":"panic","errorClass":null,"httpStatus":null,"severity":"error","filePath":"compiler-core/src/javascript.rs","lineNumber":1654,"sourceCode":"\n    // Convert size to u32. This is safe because this function isn't called with a size greater\n    // than `SAFE_INT_SEGMENT_MAX_SIZE`.\n    let size = size\n        .to_u32()\n        .expect(\"bit array segment size to be a valid u32\");\n\n    // Convert negative number to two's complement representation\n    if value < BigInt::ZERO {\n        let value_modulus = BigInt::from(2).pow(size);\n        value = &value_modulus + (value % &value_modulus);\n    }\n\n    // Convert value to the desired number of bytes\n    let mut bytes = vec![0u8; size as usize / 8];\n    for byte in bytes.iter_mut() {\n        *byte = (&value % BigInt::from(256))\n            .to_u8()\n            .expect(\"modulo result to be a valid u32\");\n        value /= BigInt::from(256);\n    }\n\n    if endianness.is_big() {\n        bytes.reverse();\n    }\n\n    bytes\n}\n","sourceCodeStart":1636,"sourceCodeEnd":1664,"githubUrl":"https://github.com/gleam-lang/gleam/blob/7e623aa83da3776faee50ca4ab9a6c40124acd95/compiler-core/src/javascript.rs#L1636-L1664","documentation":"Error \"modulo result to be a valid u32\" thrown in gleam-lang/gleam.","triggerScenarios":"Thrown at compiler-core/src/javascript.rs:1654 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"7e623aa83da3776faee50ca4ab9a6c40124acd95","analyzedAt":"2026-08-17T00:07:02.091Z","schemaVersion":2},"datasetVersion":"2026-08-17T04:17:16.089Z"}