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Diffstat (limited to '')
| -rw-r--r-- | tests/ui/on-unimplemented/sum.stderr | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/ui/on-unimplemented/sum.stderr b/tests/ui/on-unimplemented/sum.stderr new file mode 100644 index 000000000..2a316dba7 --- /dev/null +++ b/tests/ui/on-unimplemented/sum.stderr @@ -0,0 +1,43 @@ +error[E0277]: a value of type `i32` cannot be made by summing an iterator over elements of type `&()` + --> $DIR/sum.rs:4:25 + | +LL | vec![(), ()].iter().sum::<i32>(); + | ^^^ value of type `i32` cannot be made by summing a `std::iter::Iterator<Item=&()>` + | + = help: the trait `Sum<&()>` is not implemented for `i32` + = help: the following other types implement trait `Sum<A>`: + <i32 as Sum<&'a i32>> + <i32 as Sum> +note: the method call chain might not have had the expected associated types + --> $DIR/sum.rs:4:18 + | +LL | vec![(), ()].iter().sum::<i32>(); + | ------------ ^^^^^^ `Iterator::Item` is `&()` here + | | + | this expression has type `Vec<()>` +note: required by a bound in `std::iter::Iterator::sum` + --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL + +error[E0277]: a value of type `i32` cannot be made by multiplying all elements of type `&()` from an iterator + --> $DIR/sum.rs:7:25 + | +LL | vec![(), ()].iter().product::<i32>(); + | ^^^^^^^ value of type `i32` cannot be made by multiplying all elements from a `std::iter::Iterator<Item=&()>` + | + = help: the trait `Product<&()>` is not implemented for `i32` + = help: the following other types implement trait `Product<A>`: + <i32 as Product<&'a i32>> + <i32 as Product> +note: the method call chain might not have had the expected associated types + --> $DIR/sum.rs:7:18 + | +LL | vec![(), ()].iter().product::<i32>(); + | ------------ ^^^^^^ `Iterator::Item` is `&()` here + | | + | this expression has type `Vec<()>` +note: required by a bound in `std::iter::Iterator::product` + --> $SRC_DIR/core/src/iter/traits/iterator.rs:LL:COL + +error: aborting due to 2 previous errors + +For more information about this error, try `rustc --explain E0277`. |