error[E0593]: closure is expected to take 2 arguments, but it takes 0 arguments --> $DIR/closure-arg-count.rs:5:15 | LL | [1, 2, 3].sort_by(|| panic!()); | ^^^^^^^ -- takes 0 arguments | | | expected closure that takes 2 arguments | help: consider changing the closure to take and ignore the expected arguments | LL | [1, 2, 3].sort_by(|_, _| panic!()); | ~~~~~~ error[E0593]: closure is expected to take 2 arguments, but it takes 1 argument --> $DIR/closure-arg-count.rs:7:15 | LL | [1, 2, 3].sort_by(|tuple| panic!()); | ^^^^^^^ ------- takes 1 argument | | | expected closure that takes 2 arguments error[E0593]: closure is expected to take 2 distinct arguments, but it takes a single 2-tuple as argument --> $DIR/closure-arg-count.rs:9:15 | LL | [1, 2, 3].sort_by(|(tuple, tuple2)| panic!()); | ^^^^^^^ ----------------- takes a single 2-tuple as argument | | | expected closure that takes 2 distinct arguments | help: change the closure to take multiple arguments instead of a single tuple | LL | [1, 2, 3].sort_by(|tuple, tuple2| panic!()); | ~~~~~~~~~~~~~~~ error[E0593]: closure is expected to take 2 distinct arguments, but it takes a single 2-tuple as argument --> $DIR/closure-arg-count.rs:11:15 | LL | [1, 2, 3].sort_by(|(tuple, tuple2): (usize, _)| panic!()); | ^^^^^^^ ----------------------------- takes a single 2-tuple as argument | | | expected closure that takes 2 distinct arguments | help: change the closure to take multiple arguments instead of a single tuple | LL | [1, 2, 3].sort_by(|tuple, tuple2| panic!()); | ~~~~~~~~~~~~~~~ error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments --> $DIR/closure-arg-count.rs:13:5 | LL | f(|| panic!()); | ^ -- takes 0 arguments | | | expected closure that takes 1 argument | note: required by a bound in `f` --> $DIR/closure-arg-count.rs:3:9 | LL | fn f>(_: F) {} | ^^^^^^^^^^^^ required by this bound in `f` help: consider changing the closure to take and ignore the expected argument | LL | f(|_| panic!()); | ~~~ error[E0593]: closure is expected to take 1 argument, but it takes 0 arguments --> $DIR/closure-arg-count.rs:15:5 | LL | f( move || panic!()); | ^ ---------- takes 0 arguments | | | expected closure that takes 1 argument | note: required by a bound in `f` --> $DIR/closure-arg-count.rs:3:9 | LL | fn f>(_: F) {} | ^^^^^^^^^^^^ required by this bound in `f` help: consider changing the closure to take and ignore the expected argument | LL | f( move |_| panic!()); | ~~~ error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 2 distinct arguments --> $DIR/closure-arg-count.rs:18:53 | LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x| i); | ^^^ ------ takes 2 distinct arguments | | | expected closure that takes a single 2-tuple as argument | help: change the closure to accept a tuple instead of individual arguments | LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(|(i, x)| i); | ~~~~~~~~ error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 2 distinct arguments --> $DIR/closure-arg-count.rs:20:53 | LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(|i: usize, x| i); | ^^^ ------------- takes 2 distinct arguments | | | expected closure that takes a single 2-tuple as argument | help: change the closure to accept a tuple instead of individual arguments | LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(|(i, x)| i); | ~~~~~~~~ error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 3 distinct arguments --> $DIR/closure-arg-count.rs:22:53 | LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(|i, x, y| i); | ^^^ --------- takes 3 distinct arguments | | | expected closure that takes a single 2-tuple as argument error[E0593]: function is expected to take a single 2-tuple as argument, but it takes 0 arguments --> $DIR/closure-arg-count.rs:24:57 | LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(foo); | --- ^^^ expected function that takes a single 2-tuple as argument | | | required by a bound introduced by this call ... LL | fn foo() {} | -------- takes 0 arguments | note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL | LL | F: FnMut(Self::Item) -> B, | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `map` error[E0593]: closure is expected to take a single 2-tuple as argument, but it takes 3 distinct arguments --> $DIR/closure-arg-count.rs:27:57 | LL | let bar = |i, x, y| i; | --------- takes 3 distinct arguments LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(bar); | --- ^^^ expected closure that takes a single 2-tuple as argument | | | required by a bound introduced by this call | note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL | LL | F: FnMut(Self::Item) -> B, | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `map` error[E0593]: function is expected to take a single 2-tuple as argument, but it takes 2 distinct arguments --> $DIR/closure-arg-count.rs:29:57 | LL | let _it = vec![1, 2, 3].into_iter().enumerate().map(qux); | --- ^^^ expected function that takes a single 2-tuple as argument | | | required by a bound introduced by this call ... LL | fn qux(x: usize, y: usize) {} | -------------------------- takes 2 distinct arguments | note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL | LL | F: FnMut(Self::Item) -> B, | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `map` error[E0593]: function is expected to take 1 argument, but it takes 2 arguments --> $DIR/closure-arg-count.rs:32:45 | LL | let _it = vec![1, 2, 3].into_iter().map(usize::checked_add); | --- ^^^^^^^^^^^^^^^^^^ expected function that takes 1 argument | | | required by a bound introduced by this call | note: required by a bound in `map` --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL | LL | F: FnMut(Self::Item) -> B, | ^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `map` error[E0593]: function is expected to take 0 arguments, but it takes 1 argument --> $DIR/closure-arg-count.rs:35:10 | LL | call(Foo); | ---- ^^^ expected function that takes 0 arguments | | | required by a bound introduced by this call ... LL | struct Foo(u8); | ---------- takes 1 argument | note: required by a bound in `call` --> $DIR/closure-arg-count.rs:42:30 | LL | fn call(_: F) where F: FnOnce() -> R {} | ^^^^^^^^^^^^^ required by this bound in `call` error: aborting due to 14 previous errors For more information about this error, try `rustc --explain E0593`.