error: this match expression is unnecessary --> $DIR/needless_match.rs:15:18 | LL | let _: i32 = match i { | __________________^ LL | | 0 => 0, LL | | 1 => 1, LL | | 2 => 2, LL | | _ => i, LL | | }; | |_____^ help: replace it with: `i` | = note: `-D clippy::needless-match` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::needless_match)]` error: this match expression is unnecessary --> $DIR/needless_match.rs:22:19 | LL | let _: &str = match s { | ___________________^ LL | | "a" => "a", LL | | "b" => "b", LL | | s => s, LL | | }; | |_____^ help: replace it with: `s` error: this match expression is unnecessary --> $DIR/needless_match.rs:31:21 | LL | let _: Simple = match se { | _____________________^ LL | | Simple::A => Simple::A, LL | | Simple::B => Simple::B, LL | | Simple::C => Simple::C, LL | | Simple::D => Simple::D, LL | | }; | |_____^ help: replace it with: `se` error: this match expression is unnecessary --> $DIR/needless_match.rs:53:26 | LL | let _: Option = match x { | __________________________^ LL | | Some(a) => Some(a), LL | | None => None, LL | | }; | |_____^ help: replace it with: `x` error: this match expression is unnecessary --> $DIR/needless_match.rs:69:31 | LL | let _: Result = match Ok(1) { | _______________________________^ LL | | Ok(a) => Ok(a), LL | | Err(err) => Err(err), LL | | }; | |_____^ help: replace it with: `Ok(1)` error: this match expression is unnecessary --> $DIR/needless_match.rs:73:31 | LL | let _: Result = match func_ret_err(0_i32) { | _______________________________^ LL | | Err(err) => Err(err), LL | | Ok(a) => Ok(a), LL | | }; | |_____^ help: replace it with: `func_ret_err(0_i32)` error: this if-let expression is unnecessary --> $DIR/needless_match.rs:86:13 | LL | let _ = if let Some(a) = Some(1) { Some(a) } else { None }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `Some(1)` error: this if-let expression is unnecessary --> $DIR/needless_match.rs:121:31 | LL | let _: Result = if let Err(e) = x { Err(e) } else { x }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `x` error: this if-let expression is unnecessary --> $DIR/needless_match.rs:122:31 | LL | let _: Result = if let Ok(val) = x { Ok(val) } else { x }; | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `x` error: this if-let expression is unnecessary --> $DIR/needless_match.rs:129:21 | LL | let _: Simple = if let Simple::A = x { | _____________________^ LL | | Simple::A LL | | } else if let Simple::B = x { LL | | Simple::B ... | LL | | x LL | | }; | |_____^ help: replace it with: `x` error: this match expression is unnecessary --> $DIR/needless_match.rs:168:26 | LL | let _: Complex = match ce { | __________________________^ LL | | Complex::A(a) => Complex::A(a), LL | | Complex::B(a, b) => Complex::B(a, b), LL | | Complex::C(a, b, c) => Complex::C(a, b, c), LL | | Complex::D(E::VariantA(ea, eb), b) => Complex::D(E::VariantA(ea, eb), b), LL | | Complex::D(E::VariantB(ea, eb), b) => Complex::D(E::VariantB(ea, eb), b), LL | | }; | |_________^ help: replace it with: `ce` error: this match expression is unnecessary --> $DIR/needless_match.rs:252:17 | LL | let _ = match e { | _________________^ LL | | _ if some_bool => e, LL | | _ => e, LL | | }; | |_________^ help: replace it with: `e` error: this match expression is unnecessary --> $DIR/needless_match.rs:258:17 | LL | let _ = match e { | _________________^ LL | | Some(i) => Some(i), LL | | _ if some_bool => e, LL | | _ => e, LL | | }; | |_________^ help: replace it with: `e` error: aborting due to 13 previous errors