|  | error[E0637]: `&` without an explicit lifetime name cannot be used here | 
|  | --> $DIR/implicit-stuff.rs:20:23 | 
|  | | | 
|  | LL |     let _ = for<> |_: &()| -> () {}; | 
|  | |                       ^ explicit lifetime name needed here | 
|  |  | 
|  | error[E0637]: `&` without an explicit lifetime name cannot be used here | 
|  | --> $DIR/implicit-stuff.rs:21:23 | 
|  | | | 
|  | LL |     let _ = for<> |x: &()| -> &() { x }; | 
|  | |                       ^ explicit lifetime name needed here | 
|  |  | 
|  | error[E0637]: `&` without an explicit lifetime name cannot be used here | 
|  | --> $DIR/implicit-stuff.rs:21:31 | 
|  | | | 
|  | LL |     let _ = for<> |x: &()| -> &() { x }; | 
|  | |                               ^ explicit lifetime name needed here | 
|  |  | 
|  | error[E0637]: `'_` cannot be used here | 
|  | --> $DIR/implicit-stuff.rs:23:24 | 
|  | | | 
|  | LL |     let _ = for<> |x: &'_ ()| -> &'_ () { x }; | 
|  | |                        ^^ `'_` is a reserved lifetime name | 
|  |  | 
|  | error[E0637]: `'_` cannot be used here | 
|  | --> $DIR/implicit-stuff.rs:23:35 | 
|  | | | 
|  | LL |     let _ = for<> |x: &'_ ()| -> &'_ () { x }; | 
|  | |                                   ^^ `'_` is a reserved lifetime name | 
|  |  | 
|  | error[E0637]: `&` without an explicit lifetime name cannot be used here | 
|  | --> $DIR/implicit-stuff.rs:25:25 | 
|  | | | 
|  | LL |     let _ = for<'a> |x: &()| -> &'a () { x }; | 
|  | |                         ^ explicit lifetime name needed here | 
|  |  | 
|  | error[E0637]: `&` without an explicit lifetime name cannot be used here | 
|  | --> $DIR/implicit-stuff.rs:26:36 | 
|  | | | 
|  | LL |     let _ = for<'a> |x: &'a ()| -> &() { x }; | 
|  | |                                    ^ explicit lifetime name needed here | 
|  |  | 
|  | error: implicit types in closure signatures are forbidden when `for<...>` is present | 
|  | --> $DIR/implicit-stuff.rs:5:21 | 
|  | | | 
|  | LL |     let _ = for<> || {}; | 
|  | |             -----   ^ | 
|  | |             | | 
|  | |             `for<...>` is here | 
|  |  | 
|  | error: implicit types in closure signatures are forbidden when `for<...>` is present | 
|  | --> $DIR/implicit-stuff.rs:6:31 | 
|  | | | 
|  | LL |     let _ = for<'a> || -> &'a _ { &() }; | 
|  | |             -------           ^ | 
|  | |             | | 
|  | |             `for<...>` is here | 
|  |  | 
|  | error: implicit types in closure signatures are forbidden when `for<...>` is present | 
|  | --> $DIR/implicit-stuff.rs:7:22 | 
|  | | | 
|  | LL |     let _ = for<'a> |x| -> &'a () { x }; | 
|  | |             -------  ^ | 
|  | |             | | 
|  | |             `for<...>` is here | 
|  |  | 
|  | error: implicit types in closure signatures are forbidden when `for<...>` is present | 
|  | --> $DIR/implicit-stuff.rs:8:29 | 
|  | | | 
|  | LL |     let _ = for<'a> |x: &'a _| -> &'a () { x }; | 
|  | |             -------         ^ | 
|  | |             | | 
|  | |             `for<...>` is here | 
|  |  | 
|  | error: implicit types in closure signatures are forbidden when `for<...>` is present | 
|  | --> $DIR/implicit-stuff.rs:9:35 | 
|  | | | 
|  | LL |     let _ = for<'a> |x: &'a Vec::<_>| -> &'a Vec::<()> { x }; | 
|  | |             -------               ^ | 
|  | |             | | 
|  | |             `for<...>` is here | 
|  |  | 
|  | error: implicit types in closure signatures are forbidden when `for<...>` is present | 
|  | --> $DIR/implicit-stuff.rs:10:49 | 
|  | | | 
|  | LL |     let _ = for<'a> |x: &'a Vec<()>| -> &'a Vec<_> { x }; | 
|  | |             ------- `for<...>` is here          ^ | 
|  |  | 
|  | error: implicit types in closure signatures are forbidden when `for<...>` is present | 
|  | --> $DIR/implicit-stuff.rs:11:29 | 
|  | | | 
|  | LL |     let _ = for<'a> |x: &'a _| -> &'a &'a () { x }; | 
|  | |             -------         ^ | 
|  | |             | | 
|  | |             `for<...>` is here | 
|  |  | 
|  | error: implicit types in closure signatures are forbidden when `for<...>` is present | 
|  | --> $DIR/implicit-stuff.rs:12:29 | 
|  | | | 
|  | LL |     let _ = for<'a> |x: &'a _, y, z: _| -> &'a _ { | 
|  | |             -------         ^  ^     ^         ^ | 
|  | |             | | 
|  | |             `for<...>` is here | 
|  |  | 
|  | error: lifetime may not live long enough | 
|  | --> $DIR/implicit-stuff.rs:26:42 | 
|  | | | 
|  | LL |     let _ = for<'a> |x: &'a ()| -> &() { x }; | 
|  | |                 --                 -     ^ returning this value requires that `'a` must outlive `'1` | 
|  | |                 |                  | | 
|  | |                 |                  let's call the lifetime of this reference `'1` | 
|  | |                 lifetime `'a` defined here | 
|  |  | 
|  | error: aborting due to 16 previous errors | 
|  |  | 
|  | For more information about this error, try `rustc --explain E0637`. |