error: parameter is only used in recursion --> $DIR/only_used_in_recursion2.rs:3:35 | LL | fn _with_inner(flag: u32, a: u32, b: u32) -> usize { | ^ help: if this is intentional, prefix it with an underscore: `_b` | note: parameter used here --> $DIR/only_used_in_recursion2.rs:11:52 | LL | if flag == 0 { 0 } else { _with_inner(flag, a, b + x) } | ^ = note: `-D clippy::only-used-in-recursion` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::only_used_in_recursion)]` error: parameter is only used in recursion --> $DIR/only_used_in_recursion2.rs:5:25 | LL | fn inner(flag: u32, a: u32) -> u32 { | ^ help: if this is intentional, prefix it with an underscore: `_a` | note: parameter used here --> $DIR/only_used_in_recursion2.rs:7:47 | LL | if flag == 0 { 0 } else { inner(flag, a) } | ^ error: parameter is only used in recursion --> $DIR/only_used_in_recursion2.rs:14:34 | LL | fn _with_closure(a: Option, b: u32, f: impl Fn(u32, u32) -> Option) -> u32 { | ^ help: if this is intentional, prefix it with an underscore: `_b` | note: parameter used here --> $DIR/only_used_in_recursion2.rs:17:32 | LL | _with_closure(Some(x), b, f) | ^ error: parameter is only used in recursion --> $DIR/only_used_in_recursion2.rs:65:37 | LL | fn overwritten_param(flag: u32, mut a: usize) -> usize { | ^ help: if this is intentional, prefix it with an underscore: `_a` | note: parameter used here --> $DIR/only_used_in_recursion2.rs:74:29 | LL | overwritten_param(flag, a) | ^ error: parameter is only used in recursion --> $DIR/only_used_in_recursion2.rs:77:32 | LL | fn field_direct(flag: u32, mut a: (usize,)) -> usize { | ^ help: if this is intentional, prefix it with an underscore: `_a` | note: parameter used here --> $DIR/only_used_in_recursion2.rs:83:32 | LL | field_direct(flag - 1, a) | ^ error: aborting due to 5 previous errors