rs-04-group-consecutive

[
  {
    "total": 7,
    "answer": "```rust\n// src/lib.rs\n\npub fn group_consecutive<T: PartialEq + Clone>(items: &[T]) -> Vec<(T, usize)> {\n    let mut result = Vec::new();\n    let mut count = 1;\n\n    for i in 1..items.len() {\n        if items[i - 1].clone() == items[i] {\n            count += 1;\n        } else {\n            result.push((items[i - 1].clone(), count));\n            count = 1;\n        }\n    }\n\n    // Handle the last run\n    if !result.is_empty() {\n        result.push((items[result.len() - 1].clone(), count));\n    }\n\n    result\n}\n```",
    "passed": 2,
    "test_error": "running 0 tests\n\ntest result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s\n\n\nrunning 7 tests\nall_distinct --- FAILED\n.. 3/7\nall_same --- FAILED\nints_with_runs --- FAILED\nsingle_element --- FAILED\nworks_for_owned_strings --- FAILED\n\nfailures:\n\n---- all_distinct stdout ----\n\nthread 'all_distinct' (2894043) panicked at tests/group.rs:36:5:\nassertion `left == right` failed\n  left: [(1, 1), (2, 1), (2, 1)]\n right: [(1, 1), (2, 1), (3, 1)]\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n\n---- all_same stdout ----\n\nthread 'all_same' (2894044) panicked at tests/group.rs:44:5:\nassertion `left == right` failed\n  left: []\n right: [(7, 3)]\n\n---- ints_with_runs stdout ----\n\nthread 'ints_with_runs' (2894047) panicked at tests/group.rs:5:5:\nassertion `left == right` failed\n  left: [(1, 2), (2, 1), (1, 3)]\n right: [(1, 2), (2, 1), (3, 3)]\n\n---- single_element stdout ----\n\nthread 'single_element' (2894048) panicked at tests/group.rs:49:5:\nassertion `left == right` failed\n  left: []\n right: [(42, 1)]\n\n---- works_for_owned_strings stdout ----\n\nthread 'works_for_owned_strings' (2894049) panicked at tests/group.rs:22:5:\nassertion `left == right` failed\n  left: [(\"x\", 2), (\"x\", 1)]\n right: [(\"x\", 2), (\"y\", 1)]\n\n\nfailures:\n    all_distinct\n    all_same\n    ints_with_runs\n    single_element\n    works_for_owned_strings\n\ntest result: FAILED. 2 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s\n\n\nerror: test failed, to rerun pass `--test group`"
  },
  {
    "total": 7,
    "answer": "```rust\n// src/lib.rs\n\npub fn group_consecutive<T: PartialEq + Clone>(items: &[T]) -> Vec<(T, usize)> {\n    let mut result = Vec::new();\n    let mut count = 1;\n\n    for i in 1..items.len() {\n        if items[i - 1].clone() == items[i] {\n            count += 1;\n        } else {\n            result.push((items[i - 1].clone(), count));\n            count = 1;\n        }\n    }\n\n    // Handle the last run\n    if !result.is_empty() {\n        result.push((items[result.len() - 1].clone(), count));\n    }\n\n    result\n}\n```",
    "passed": 2,
    "test_error": "running 0 tests\n\ntest result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s\n\n\nrunning 7 tests\n. 1/7\nall_same --- FAILED\n. 3/7\nall_distinct --- FAILED\nsingle_element --- FAILED\nints_with_runs --- FAILED\nworks_for_owned_strings --- FAILED\n\nfailures:\n\n---- all_same stdout ----\n\nthread 'all_same' (2894174) panicked at tests/group.rs:44:5:\nassertion `left == right` failed\n  left: []\n right: [(7, 3)]\nnote: run with `RUST_BACKTRACE=1` environment variable to display a backtrace\n\n---- all_distinct stdout ----\n\nthread 'all_distinct' (2894173) panicked at tests/group.rs:36:5:\nassertion `left == right` failed\n  left: [(1, 1), (2, 1), (2, 1)]\n right: [(1, 1), (2, 1), (3, 1)]\n\n---- single_element stdout ----\n\nthread 'single_element' (2894178) panicked at tests/group.rs:49:5:\nassertion `left == right` failed\n  left: []\n right: [(42, 1)]\n\n---- ints_with_runs stdout ----\n\nthread 'ints_with_runs' (2894177) panicked at tests/group.rs:5:5:\nassertion `left == right` failed\n  left: [(1, 2), (2, 1), (1, 3)]\n right: [(1, 2), (2, 1), (3, 3)]\n\n---- works_for_owned_strings stdout ----\n\nthread 'works_for_owned_strings' (2894179) panicked at tests/group.rs:22:5:\nassertion `left == right` failed\n  left: [(\"x\", 2), (\"x\", 1)]\n right: [(\"x\", 2), (\"y\", 1)]\n\n\nfailures:\n    all_distinct\n    all_same\n    ints_with_runs\n    single_element\n    works_for_owned_strings\n\ntest result: FAILED. 2 passed; 5 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s\n\n\nerror: test failed, to rerun pass `--test group`"
  },
  {
    "total": 7,
    "answer": "```rust\n// src/lib.rs\n\npub fn group_consecutive<T: PartialEq + Clone>(items: &[T]) -> Vec<(T, usize)> {\n    let mut result = Vec::new();\n    let mut count = 1;\n\n    for i in 1..items.len() {\n        if items[i - 1].clone() == items[i] {\n            count += 1;\n        } else {\n            result.push((items[i - 1].clone(), count));\n            count = 1;\n        }\n    }\n\n    // Handle the last run\n    if !result.is_empty() {\n        result.push((items[result.len() - 1].clone(), count));\n    }\n\n    result\n}\n```",
    "passed": 2,
    "test_error": ""
  }
]

You are an expert programmer. Solve the task exactly as specified. Output your solution as fenced code blocks using the required file name(s) and the exact function/type signatures requested. Prefer correctness; do not include prose outside code unless asked.