96 lines
2.5 KiB
Plaintext
96 lines
2.5 KiB
Plaintext
error[E0054]: cannot cast `i32` as `bool`
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--> $DIR/cast-as-bool.rs:2:13
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LL | let u = 5 as bool;
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| ^^^^^^^^^
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help: compare with zero instead
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LL | let u = 5 != 0;
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| ~~~~
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error[E0054]: cannot cast `i32` as `bool`
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--> $DIR/cast-as-bool.rs:6:13
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LL | let t = (1 + 2) as bool;
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| ^^^^^^^^^^^^^^^
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help: compare with zero instead
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LL | let t = (1 + 2) != 0;
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| ~~~~
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error[E0054]: cannot cast `u32` as `bool`
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--> $DIR/cast-as-bool.rs:10:13
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LL | let _ = 5_u32 as bool;
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| ^^^^^^^^^^^^^
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help: compare with zero instead
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LL | let _ = 5_u32 != 0;
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| ~~~~
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error[E0054]: cannot cast `f64` as `bool`
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--> $DIR/cast-as-bool.rs:13:13
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LL | let _ = 64.0_f64 as bool;
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| ^^^^^^^^^^^^^^^^
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help: compare with zero instead
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LL | let _ = 64.0_f64 != 0;
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| ~~~~
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error[E0054]: cannot cast `IntEnum` as `bool`
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--> $DIR/cast-as-bool.rs:24:13
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LL | let _ = IntEnum::One as bool;
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| ^^^^^^^^^^^^^^^^^^^^ unsupported cast
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error[E0054]: cannot cast `fn(u8) -> String {uwu}` as `bool`
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--> $DIR/cast-as-bool.rs:33:13
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LL | let _ = uwu as bool;
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| ^^^^^^^^^^^ unsupported cast
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error[E0054]: cannot cast `unsafe fn() {owo}` as `bool`
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--> $DIR/cast-as-bool.rs:35:13
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LL | let _ = owo as bool;
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| ^^^^^^^^^^^ unsupported cast
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error[E0054]: cannot cast `fn(u8) -> String` as `bool`
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--> $DIR/cast-as-bool.rs:38:13
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LL | let _ = uwu as fn(u8) -> String as bool;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unsupported cast
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error[E0054]: cannot cast `char` as `bool`
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--> $DIR/cast-as-bool.rs:40:13
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LL | let _ = 'x' as bool;
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| ^^^^^^^^^^^ unsupported cast
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error[E0054]: cannot cast `*const ()` as `bool`
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--> $DIR/cast-as-bool.rs:44:13
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LL | let _ = ptr as bool;
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| ^^^^^^^^^^^ unsupported cast
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error[E0606]: casting `&'static str` as `bool` is invalid
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--> $DIR/cast-as-bool.rs:46:13
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LL | let v = "hello" as bool;
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| ^^^^^^^^^^^^^^^
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help: consider using the `is_empty` method on `&'static str` to determine if it contains anything
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LL | let v = !"hello".is_empty();
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| + ~~~~~~~~~~~
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error: aborting due to 11 previous errors
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Some errors have detailed explanations: E0054, E0606.
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For more information about an error, try `rustc --explain E0054`.
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