File: liveness-forgot-ret.stderr

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (27 lines) | stat: -rw-r--r-- 1,022 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
error[E0308]: mismatched types
  --> $DIR/liveness-forgot-ret.rs:4:19
   |
LL | fn f(a: isize) -> isize { if god_exists(a) { return 5; }; }
   |    -              ^^^^^ expected `isize`, found `()`
   |    |
   |    implicitly returns `()` as its body has no tail or `return` expression
   |
help: consider returning the local binding `a`
   |
LL | fn f(a: isize) -> isize { if god_exists(a) { return 5; }; a }
   |                                                           +

warning: function cannot return without recursing
  --> $DIR/liveness-forgot-ret.rs:1:1
   |
LL | fn god_exists(a: isize) -> bool { return god_exists(a); }
   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^          ------------- recursive call site
   | |
   | cannot return without recursing
   |
   = help: a `loop` may express intention better if this is on purpose
   = note: `#[warn(unconditional_recursion)]` on by default

error: aborting due to 1 previous error; 1 warning emitted

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