tests/ui/rfcs/rfc-2497-if-let-chains/irrefutable-lets.disallowed.stderr

error: leading irrefutable pattern in let chain
  --> $DIR/irrefutable-lets.rs:14:8
   |
LL |     if let first = &opt && let Some(second) = first && let None = second.start {}
   |        ^^^^^^^^^^^^^^^^
   |
   = note: this pattern will always match
   = help: consider moving it outside of the construct
note: the lint level is defined here
  --> $DIR/irrefutable-lets.rs:7:30
   |
LL | #![cfg_attr(disallowed, deny(irrefutable_let_patterns))]
   |                              ^^^^^^^^^^^^^^^^^^^^^^^^

error: irrefutable `if let` patterns
  --> $DIR/irrefutable-lets.rs:20:8
   |
LL |     if let first = &opt && let (a, b) = (1, 2) {}
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: these patterns will always match, so the `if let` is useless
   = help: consider replacing the `if let` with a `let`

error: leading irrefutable pattern in let chain
  --> $DIR/irrefutable-lets.rs:23:8
   |
LL |     if let first = &opt && let Some(second) = first && let None = second.start && let v = 0 {}
   |        ^^^^^^^^^^^^^^^^
   |
   = note: this pattern will always match
   = help: consider moving it outside of the construct

error: trailing irrefutable pattern in let chain
  --> $DIR/irrefutable-lets.rs:23:83
   |
LL |     if let first = &opt && let Some(second) = first && let None = second.start && let v = 0 {}
   |                                                                                   ^^^^^^^^^
   |
   = note: this pattern will always match
   = help: consider moving it into the body

error: trailing irrefutable patterns in let chain
  --> $DIR/irrefutable-lets.rs:27:37
   |
LL |     if let Some(ref first) = opt && let second = first && let _third = second {}
   |                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: these patterns will always match
   = help: consider moving them into the body

error: leading irrefutable pattern in let chain
  --> $DIR/irrefutable-lets.rs:30:8
   |
LL |     if let Range { start: local_start, end: _ } = (None..Some(1)) && let None = local_start {}
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: this pattern will always match
   = help: consider moving it outside of the construct

error: leading irrefutable pattern in let chain
  --> $DIR/irrefutable-lets.rs:33:8
   |
LL |     if let (a, b, c) = (Some(1), Some(1), Some(1)) && let None = Some(1) {}
   |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: this pattern will always match
   = help: consider moving it outside of the construct

error: leading irrefutable pattern in let chain
  --> $DIR/irrefutable-lets.rs:36:8
   |
LL |     if let first = &opt && let None = Some(1) {}
   |        ^^^^^^^^^^^^^^^^
   |
   = note: this pattern will always match
   = help: consider moving it outside of the construct

error: irrefutable `if let` guard patterns
  --> $DIR/irrefutable-lets.rs:45:28
   |
LL |         Some(ref first) if let second = first && let _third = second && let v = 4 + 4 => {},
   |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: these patterns will always match, so the guard is useless
   = help: consider removing the guard and adding a `let` inside the match arm

error: trailing irrefutable patterns in let chain
  --> $DIR/irrefutable-lets.rs:60:16
   |
LL |             && let v = local_end && let w = v => {},
   |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: these patterns will always match
   = help: consider moving them into the body

error: irrefutable `while let` patterns
  --> $DIR/irrefutable-lets.rs:69:11
   |
LL |     while let first = &opt && let (a, b) = (1, 2) {}
   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: these patterns will always match, so the loop will never exit
   = help: consider instead using a `loop { ... }` with a `let` inside it

error: trailing irrefutable patterns in let chain
  --> $DIR/irrefutable-lets.rs:72:40
   |
LL |     while let Some(ref first) = opt && let second = first && let _third = second {}
   |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: these patterns will always match
   = help: consider moving them into the body

error: trailing irrefutable pattern in let chain
  --> $DIR/irrefutable-lets.rs:88:12
   |
LL |         && let x = &opt
   |            ^^^^^^^^^^^^
   |
   = note: this pattern will always match
   = help: consider moving it into the body

error: leading irrefutable pattern in let chain
  --> $DIR/irrefutable-lets.rs:94:12
   |
LL |         if let x = opt.clone().map(|_| 1)
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
   |
   = note: this pattern will always match
   = help: consider moving it outside of the construct

error: aborting due to 14 previous errors