error[E0308]: mismatched types
  --> $DIR/tail-expr-as-potential-return.rs:28:9
   |
LL | /     if x {
LL | |         Err(42)
   | |         ^^^^^^^ expected `()`, found `Result<_, {integer}>`
LL | |
LL | |
LL | |     }
   | |_____- expected this to be `()`
   |
   = note: expected unit type `()`
                   found enum `Result<_, {integer}>`
help: you might have meant to return this value
   |
LL |         return Err(42);
   |         ++++++        +

error[E0308]: mismatched types
  --> $DIR/tail-expr-as-potential-return.rs:45:9
   |
LL | /     if true {
LL | |         1i32
   | |         ^^^^ expected `()`, found `i32`
LL | |
LL | |
LL | |     }
   | |_____- expected this to be `()`
   |
help: you might have meant to return this value
   |
LL |         return 1i32;
   |         ++++++     +

error[E0308]: mismatched types
  --> $DIR/tail-expr-as-potential-return.rs:19:9
   |
LL | /     if x {
LL | |         Err(42)
   | |         ^^^^^^^ expected `()`, found `Result<_, {integer}>`
LL | |
LL | |
LL | |     }
   | |_____- expected this to be `()`
   |
   = note: expected unit type `()`
                   found enum `Result<_, {integer}>`
help: you might have meant to return this value
   |
LL |         return Err(42);
   |         ++++++        +

error[E0282]: type annotations needed
  --> $DIR/tail-expr-as-potential-return.rs:60:18
   |
LL |         Receiver.generic();
   |                  ^^^^^^^ cannot infer type of the type parameter `T` declared on the method `generic`
   |
help: consider specifying the generic argument
   |
LL |         Receiver.generic::<T>();
   |                         +++++
help: you might have meant to return this to infer its type parameters
   |
LL |         return Receiver.generic();
   |         ++++++

error: aborting due to 4 previous errors

Some errors have detailed explanations: E0282, E0308.
For more information about an error, try `rustc --explain E0282`.