2018-12-09 23:26:16 +01:00
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#![allow(
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clippy::blacklisted_name,
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clippy::collapsible_if,
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2019-02-23 02:19:50 +01:00
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clippy::cognitive_complexity,
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2018-12-09 23:26:16 +01:00
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clippy::eq_op,
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clippy::needless_continue,
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clippy::needless_return,
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clippy::no_effect,
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clippy::zero_divided_by_zero,
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clippy::unused_unit
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)]
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2018-07-28 17:34:52 +02:00
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2016-02-10 01:22:53 +01:00
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fn bar<T>(_: T) {}
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2018-12-09 23:26:16 +01:00
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fn foo() -> bool {
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unimplemented!()
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}
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2016-01-30 18:03:53 +01:00
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2016-10-08 15:16:00 +02:00
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pub enum Abc {
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A,
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B,
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C,
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}
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2018-07-28 17:34:52 +02:00
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#[warn(clippy::match_same_arms)]
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2018-09-27 19:10:20 +02:00
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#[allow(clippy::unused_unit)]
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2019-02-10 10:19:24 +01:00
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fn match_same_arms() {
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2016-10-02 02:17:04 +02:00
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let _ = match 42 {
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42 => {
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foo();
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let mut a = 42 + [23].len() as i32;
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if true {
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a += 7;
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}
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2018-12-09 23:26:16 +01:00
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a = -31 - a;
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2016-10-02 02:17:04 +02:00
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a
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2018-12-09 23:26:16 +01:00
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},
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_ => {
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//~ ERROR match arms have same body
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2016-10-02 02:17:04 +02:00
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foo();
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let mut a = 42 + [23].len() as i32;
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if true {
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a += 7;
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}
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2018-12-09 23:26:16 +01:00
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a = -31 - a;
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2016-10-02 02:17:04 +02:00
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a
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2018-12-09 23:26:16 +01:00
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},
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2016-01-30 19:16:49 +01:00
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};
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2016-10-08 15:16:00 +02:00
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let _ = match Abc::A {
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Abc::A => 0,
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Abc::B => 1,
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2018-02-08 20:26:50 +01:00
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_ => 0, //~ ERROR match arms have same body
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2016-10-08 15:16:00 +02:00
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};
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2016-02-10 01:22:53 +01:00
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let _ = match 42 {
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42 => foo(),
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2018-02-08 20:26:50 +01:00
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51 => foo(), //~ ERROR match arms have same body
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2016-02-10 01:22:53 +01:00
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_ => true,
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};
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2016-03-29 01:39:35 +02:00
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let _ = match Some(42) {
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Some(_) => 24,
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2018-02-08 20:26:50 +01:00
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None => 24, //~ ERROR match arms have same body
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2016-03-29 01:39:35 +02:00
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};
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2016-05-31 21:50:13 +02:00
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let _ = match Some(42) {
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Some(foo) => 24,
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None => 24,
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};
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2016-02-10 01:22:53 +01:00
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let _ = match Some(42) {
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Some(42) => 24,
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Some(a) => 24, // bindings are different
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None => 0,
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};
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2016-03-29 01:39:35 +02:00
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let _ = match Some(42) {
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Some(a) if a > 0 => 24,
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Some(a) => 24, // one arm has a guard
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None => 0,
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};
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2016-02-10 01:22:53 +01:00
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match (Some(42), Some(42)) {
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(Some(a), None) => bar(a),
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2018-02-08 20:26:50 +01:00
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(None, Some(a)) => bar(a), //~ ERROR match arms have same body
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2016-02-10 01:22:53 +01:00
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_ => (),
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}
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2016-05-27 14:24:28 +02:00
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match (Some(42), Some(42)) {
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(Some(a), ..) => bar(a),
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2018-02-08 20:26:50 +01:00
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(.., Some(a)) => bar(a), //~ ERROR match arms have same body
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2016-05-27 14:24:28 +02:00
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_ => (),
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}
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match (1, 2, 3) {
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(1, .., 3) => 42,
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2018-02-08 20:26:50 +01:00
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(.., 3) => 42, //~ ERROR match arms have same body
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2016-05-27 14:24:28 +02:00
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_ => 0,
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};
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2016-07-13 09:43:33 +02:00
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let _ = match Some(()) {
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Some(()) => 0.0,
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2018-12-09 23:26:16 +01:00
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None => -0.0,
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2016-07-13 09:43:33 +02:00
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};
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2016-02-10 01:22:53 +01:00
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match (Some(42), Some("")) {
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(Some(a), None) => bar(a),
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(None, Some(a)) => bar(a), // bindings have different types
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_ => (),
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}
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2016-01-30 19:16:49 +01:00
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}
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fn main() {}
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