tests/ui/binop/binop-consume-args.rs

   1 // Test that binary operators consume their arguments
   2
   3 use std::ops::{Add, Sub, Mul, Div, Rem, BitAnd, BitXor, BitOr, Shl, Shr};
   4
   5 fn add<A: Add<B, Output=()>, B>(lhs: A, rhs: B) {
   6     lhs + rhs;
   7     drop(lhs);  //~ ERROR use of moved value: `lhs`
   8     drop(rhs);  //~ ERROR use of moved value: `rhs`
   9 }
  10
  11 fn sub<A: Sub<B, Output=()>, B>(lhs: A, rhs: B) {
  12     lhs - rhs;
  13     drop(lhs);  //~ ERROR use of moved value: `lhs`
  14     drop(rhs);  //~ ERROR use of moved value: `rhs`
  15 }
  16
  17 fn mul<A: Mul<B, Output=()>, B>(lhs: A, rhs: B) {
  18     lhs * rhs;
  19     drop(lhs);  //~ ERROR use of moved value: `lhs`
  20     drop(rhs);  //~ ERROR use of moved value: `rhs`
  21 }
  22
  23 fn div<A: Div<B, Output=()>, B>(lhs: A, rhs: B) {
  24     lhs / rhs;
  25     drop(lhs);  //~ ERROR use of moved value: `lhs`
  26     drop(rhs);  //~ ERROR use of moved value: `rhs`
  27 }
  28
  29 fn rem<A: Rem<B, Output=()>, B>(lhs: A, rhs: B) {
  30     lhs % rhs;
  31     drop(lhs);  //~ ERROR use of moved value: `lhs`
  32     drop(rhs);  //~ ERROR use of moved value: `rhs`
  33 }
  34
  35 fn bitand<A: BitAnd<B, Output=()>, B>(lhs: A, rhs: B) {
  36     lhs & rhs;
  37     drop(lhs);  //~ ERROR use of moved value: `lhs`
  38     drop(rhs);  //~ ERROR use of moved value: `rhs`
  39 }
  40
  41 fn bitor<A: BitOr<B, Output=()>, B>(lhs: A, rhs: B) {
  42     lhs | rhs;
  43     drop(lhs);  //~ ERROR use of moved value: `lhs`
  44     drop(rhs);  //~ ERROR use of moved value: `rhs`
  45 }
  46
  47 fn bitxor<A: BitXor<B, Output=()>, B>(lhs: A, rhs: B) {
  48     lhs ^ rhs;
  49     drop(lhs);  //~ ERROR use of moved value: `lhs`
  50     drop(rhs);  //~ ERROR use of moved value: `rhs`
  51 }
  52
  53 fn shl<A: Shl<B, Output=()>, B>(lhs: A, rhs: B) {
  54     lhs << rhs;
  55     drop(lhs);  //~ ERROR use of moved value: `lhs`
  56     drop(rhs);  //~ ERROR use of moved value: `rhs`
  57 }
  58
  59 fn shr<A: Shr<B, Output=()>, B>(lhs: A, rhs: B) {
  60     lhs >> rhs;
  61     drop(lhs);  //~ ERROR use of moved value: `lhs`
  62     drop(rhs);  //~ ERROR use of moved value: `rhs`
  63 }
  64
  65 fn main() {}