error: in an `if` condition, avoid complex blocks or closures with blocks; instead, move the block or closure higher and bind it with a `let`
  --> $DIR/blocks_in_if_conditions.rs:26:5
   |
LL | /     if {
LL | |         let x = 3;
LL | |         x == 3
LL | |     } {
   | |_____^
   |
   = note: `-D clippy::blocks-in-if-conditions` implied by `-D warnings`
help: try
   |
LL |     let res = {
LL |         let x = 3;
LL |         x == 3
LL |     }; if res {
   |

error: omit braces around single expression condition
  --> $DIR/blocks_in_if_conditions.rs:37:8
   |
LL |     if { true } {
   |        ^^^^^^^^ help: try: `true`

error: this boolean expression can be simplified
  --> $DIR/blocks_in_if_conditions.rs:46:8
   |
LL |     if true && x == 3 {
   |        ^^^^^^^^^^^^^^ help: try: `x == 3`
   |
   = note: `-D clippy::nonminimal-bool` implied by `-D warnings`

error: aborting due to 3 previous errors