error[E0597]: `x` does not live long enough --> $DIR/region-borrow-params-issue-29793-small.rs:19:34 | 19 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | --------- ^ borrowed value does not live long enough | | | capture occurs here ... 23 | }; | - borrowed value dropped before borrower | = note: values in a scope are dropped in the opposite order they are created error[E0597]: `y` does not live long enough --> $DIR/region-borrow-params-issue-29793-small.rs:19:45 | 19 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | --------- ^ borrowed value does not live long enough | | | capture occurs here ... 23 | }; | - borrowed value dropped before borrower | = note: values in a scope are dropped in the opposite order they are created error[E0597]: `x` does not live long enough --> $DIR/region-borrow-params-issue-29793-small.rs:34:34 | 34 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | --------- ^ borrowed value does not live long enough | | | capture occurs here ... 38 | }; | - borrowed value dropped before borrower | = note: values in a scope are dropped in the opposite order they are created error[E0597]: `y` does not live long enough --> $DIR/region-borrow-params-issue-29793-small.rs:34:45 | 34 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | --------- ^ borrowed value does not live long enough | | | capture occurs here ... 38 | }; | - borrowed value dropped before borrower | = note: values in a scope are dropped in the opposite order they are created error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:65:17 | 65 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `x` is borrowed here | | | may outlive borrowed value `x` help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword | 65 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `y`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:65:17 | 65 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `y` is borrowed here | | | may outlive borrowed value `y` help: to force the closure to take ownership of `y` (and any other referenced variables), use the `move` keyword | 65 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:76:17 | 76 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `x` is borrowed here | | | may outlive borrowed value `x` help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword | 76 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `y`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:76:17 | 76 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `y` is borrowed here | | | may outlive borrowed value `y` help: to force the closure to take ownership of `y` (and any other referenced variables), use the `move` keyword | 76 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:100:21 | 100 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `x` is borrowed here | | | may outlive borrowed value `x` help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword | 100 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `y`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:100:21 | 100 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `y` is borrowed here | | | may outlive borrowed value `y` help: to force the closure to take ownership of `y` (and any other referenced variables), use the `move` keyword | 100 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:114:21 | 114 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `x` is borrowed here | | | may outlive borrowed value `x` help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword | 114 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `y`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:114:21 | 114 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `y` is borrowed here | | | may outlive borrowed value `y` help: to force the closure to take ownership of `y` (and any other referenced variables), use the `move` keyword | 114 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:142:21 | 142 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `x` is borrowed here | | | may outlive borrowed value `x` help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword | 142 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `y`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:142:21 | 142 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `y` is borrowed here | | | may outlive borrowed value `y` help: to force the closure to take ownership of `y` (and any other referenced variables), use the `move` keyword | 142 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:157:21 | 157 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `x` is borrowed here | | | may outlive borrowed value `x` help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword | 157 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `y`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:157:21 | 157 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `y` is borrowed here | | | may outlive borrowed value `y` help: to force the closure to take ownership of `y` (and any other referenced variables), use the `move` keyword | 157 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:185:21 | 185 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `x` is borrowed here | | | may outlive borrowed value `x` help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword | 185 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `y`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:185:21 | 185 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `y` is borrowed here | | | may outlive borrowed value `y` help: to force the closure to take ownership of `y` (and any other referenced variables), use the `move` keyword | 185 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `x`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:199:21 | 199 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `x` is borrowed here | | | may outlive borrowed value `x` help: to force the closure to take ownership of `x` (and any other referenced variables), use the `move` keyword | 199 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error[E0373]: closure may outlive the current function, but it borrows `y`, which is owned by the current function --> $DIR/region-borrow-params-issue-29793-small.rs:199:21 | 199 | let f = |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^ - `y` is borrowed here | | | may outlive borrowed value `y` help: to force the closure to take ownership of `y` (and any other referenced variables), use the `move` keyword | 199 | let f = move |t: bool| if t { x } else { y }; // (separate errors for `x` vs `y`) | ^^^^^^^^^^^^^^ error: aborting due to 20 previous errors You've got a few errors: E0373, E0597 If you want more information on an error, try using "rustc --explain E0373"