error[E0308]: mismatched types
  --> $DIR/assignment-in-if.rs:15:8
   |
LL |     if x = x {
   |        ^^^^^ expected `bool`, found `()`
   |
help: you might have meant to compare for equality
   |
LL |     if x == x {
   |          ~~

error[E0308]: mismatched types
  --> $DIR/assignment-in-if.rs:20:8
   |
LL |     if (x = x) {
   |        ^^^^^^^ expected `bool`, found `()`
   |
help: you might have meant to compare for equality
   |
LL |     if (x == x) {
   |           ~~

error[E0308]: mismatched types
  --> $DIR/assignment-in-if.rs:25:8
   |
LL |     if y = (Foo { foo: x }) {
   |        ^^^^^^^^^^^^^^^^^^^^ expected `bool`, found `()`
   |
help: you might have meant to compare for equality
   |
LL |     if y == (Foo { foo: x }) {
   |          ~~

error[E0308]: mismatched types
  --> $DIR/assignment-in-if.rs:30:8
   |
LL |     if 3 = x {
   |        ^^^^^ expected `bool`, found `()`
   |
help: you might have meant to compare for equality
   |
LL |     if 3 == x {
   |          ~~

error[E0308]: mismatched types
  --> $DIR/assignment-in-if.rs:36:13
   |
LL |             x = 4
   |             ^^^^^ expected `bool`, found `()`
   |
help: you might have meant to compare for equality
   |
LL |             x == 4
   |               ~~

error[E0308]: mismatched types
  --> $DIR/assignment-in-if.rs:38:13
   |
LL |             x = 5
   |             ^^^^^ expected `bool`, found `()`
   |
help: you might have meant to compare for equality
   |
LL |             x == 5
   |               ~~

error: aborting due to 6 previous errors

For more information about this error, try `rustc --explain E0308`.