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Diffstat (limited to 'src/test/ui/lint/trivial_casts.stderr')
| -rw-r--r-- | src/test/ui/lint/trivial_casts.stderr | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/src/test/ui/lint/trivial_casts.stderr b/src/test/ui/lint/trivial_casts.stderr new file mode 100644 index 000000000..8a216360f --- /dev/null +++ b/src/test/ui/lint/trivial_casts.stderr @@ -0,0 +1,164 @@ +error: trivial numeric cast: `i32` as `i32` + --> $DIR/trivial_casts.rs:16:13 + | +LL | let _ = 42_i32 as i32; + | ^^^^^^^^^^^^^ + | +note: the lint level is defined here + --> $DIR/trivial_casts.rs:4:24 + | +LL | #![deny(trivial_casts, trivial_numeric_casts)] + | ^^^^^^^^^^^^^^^^^^^^^ + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial numeric cast: `u8` as `u8` + --> $DIR/trivial_casts.rs:19:13 + | +LL | let _ = 42_u8 as u8; + | ^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&u32` as `*const u32` + --> $DIR/trivial_casts.rs:24:13 + | +LL | let _ = x as *const u32; + | ^^^^^^^^^^^^^^^ + | +note: the lint level is defined here + --> $DIR/trivial_casts.rs:4:9 + | +LL | #![deny(trivial_casts, trivial_numeric_casts)] + | ^^^^^^^^^^^^^ + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&mut u32` as `*mut u32` + --> $DIR/trivial_casts.rs:28:13 + | +LL | let _ = x as *mut u32; + | ^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&[u32; 3]` as `&[u32]` + --> $DIR/trivial_casts.rs:33:13 + | +LL | let _ = x as &[u32]; + | ^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&[u32; 3]` as `*const [u32]` + --> $DIR/trivial_casts.rs:34:13 + | +LL | let _ = x as *const [u32]; + | ^^^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&mut [u32; 3]` as `&mut [u32]` + --> $DIR/trivial_casts.rs:39:13 + | +LL | let _ = x as &mut [u32]; + | ^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&mut [u32; 3]` as `*mut [u32]` + --> $DIR/trivial_casts.rs:40:13 + | +LL | let _ = x as *mut [u32]; + | ^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `Box<[u32; 3]>` as `Box<[u32]>` + --> $DIR/trivial_casts.rs:45:13 + | +LL | let _ = x as Box<[u32]>; + | ^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&Bar` as `&dyn Foo` + --> $DIR/trivial_casts.rs:52:13 + | +LL | let _ = x as &dyn Foo; + | ^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&Bar` as `*const dyn Foo` + --> $DIR/trivial_casts.rs:53:13 + | +LL | let _ = x as *const dyn Foo; + | ^^^^^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&mut Bar` as `&mut dyn Foo` + --> $DIR/trivial_casts.rs:58:13 + | +LL | let _ = x as &mut dyn Foo; + | ^^^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&mut Bar` as `*mut dyn Foo` + --> $DIR/trivial_casts.rs:59:13 + | +LL | let _ = x as *mut dyn Foo; + | ^^^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `Box<Bar>` as `Box<dyn Foo>` + --> $DIR/trivial_casts.rs:64:13 + | +LL | let _ = x as Box<dyn Foo>; + | ^^^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&fn(i32) {baz}` as `&dyn Fn(i32)` + --> $DIR/trivial_casts.rs:70:13 + | +LL | let _ = &baz as &dyn Fn(i32); + | ^^^^^^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&[closure@$DIR/trivial_casts.rs:72:13: 72:22]` as `&dyn Fn(i32)` + --> $DIR/trivial_casts.rs:73:13 + | +LL | let _ = &x as &dyn Fn(i32); + | ^^^^^^^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&'a Bar` as `&'a Bar` + --> $DIR/trivial_casts.rs:79:13 + | +LL | let _ = a as &'a Bar; + | ^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&'b Bar` as `&'a Bar` + --> $DIR/trivial_casts.rs:81:13 + | +LL | let _ = b as &'a Bar; + | ^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: trivial cast: `&'b Bar` as `&'b Bar` + --> $DIR/trivial_casts.rs:83:13 + | +LL | let _ = b as &'b Bar; + | ^^^^^^^^^^^^ + | + = help: cast can be replaced by coercion; this might require a temporary variable + +error: aborting due to 19 previous errors + |