diff options
Diffstat (limited to 'src/test/ui/lint/fn_must_use.stderr')
-rw-r--r-- | src/test/ui/lint/fn_must_use.stderr | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/src/test/ui/lint/fn_must_use.stderr b/src/test/ui/lint/fn_must_use.stderr new file mode 100644 index 000000000..61b7993d2 --- /dev/null +++ b/src/test/ui/lint/fn_must_use.stderr @@ -0,0 +1,69 @@ +warning: unused return value of `need_to_use_this_value` that must be used + --> $DIR/fn_must_use.rs:55:5 + | +LL | need_to_use_this_value(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^ + | +note: the lint level is defined here + --> $DIR/fn_must_use.rs:3:9 + | +LL | #![warn(unused_must_use)] + | ^^^^^^^^^^^^^^^ + = note: it's important + +warning: unused return value of `MyStruct::need_to_use_this_method_value` that must be used + --> $DIR/fn_must_use.rs:60:5 + | +LL | m.need_to_use_this_method_value(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: unused return value of `EvenNature::is_even` that must be used + --> $DIR/fn_must_use.rs:61:5 + | +LL | m.is_even(); // trait method! + | ^^^^^^^^^^^^ + | + = note: no side effects + +warning: unused return value of `MyStruct::need_to_use_this_associated_function_value` that must be used + --> $DIR/fn_must_use.rs:64:5 + | +LL | MyStruct::need_to_use_this_associated_function_value(); + | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +warning: unused return value of `std::cmp::PartialEq::eq` that must be used + --> $DIR/fn_must_use.rs:70:5 + | +LL | 2.eq(&3); + | ^^^^^^^^^ + +warning: unused return value of `std::cmp::PartialEq::eq` that must be used + --> $DIR/fn_must_use.rs:71:5 + | +LL | m.eq(&n); + | ^^^^^^^^^ + +warning: unused comparison that must be used + --> $DIR/fn_must_use.rs:74:5 + | +LL | 2 == 3; + | ^^^^^^ the comparison produces a value + | +help: use `let _ = ...` to ignore the resulting value + | +LL | let _ = 2 == 3; + | +++++++ + +warning: unused comparison that must be used + --> $DIR/fn_must_use.rs:75:5 + | +LL | m == n; + | ^^^^^^ the comparison produces a value + | +help: use `let _ = ...` to ignore the resulting value + | +LL | let _ = m == n; + | +++++++ + +warning: 8 warnings emitted + |