mirror of
https://github.com/rust-lang/rust-clippy
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44 lines
1.8 KiB
Text
44 lines
1.8 KiB
Text
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error: function pointer assumed to be nullable, even though it isn't
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--> $DIR/fn_null_check.rs:13:8
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LL | if (fn_ptr as *mut ()).is_null() {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: try wrapping your function pointer type in `Option<T>` instead, and using `is_none` to check for null pointer value
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= note: `-D clippy::fn-null-check` implied by `-D warnings`
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error: function pointer assumed to be nullable, even though it isn't
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--> $DIR/fn_null_check.rs:14:8
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LL | if (fn_ptr as *const u8).is_null() {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: try wrapping your function pointer type in `Option<T>` instead, and using `is_none` to check for null pointer value
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error: function pointer assumed to be nullable, even though it isn't
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--> $DIR/fn_null_check.rs:15:8
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LL | if (fn_ptr as *const ()) == std::ptr::null() {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: try wrapping your function pointer type in `Option<T>` instead, and using `is_none` to check for null pointer value
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error: function pointer assumed to be nullable, even though it isn't
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--> $DIR/fn_null_check.rs:16:8
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LL | if (fn_ptr as *const ()) == (0 as *const ()) {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: try wrapping your function pointer type in `Option<T>` instead, and using `is_none` to check for null pointer value
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error: function pointer assumed to be nullable, even though it isn't
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--> $DIR/fn_null_check.rs:17:8
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LL | if (fn_ptr as *const ()) == ZPTR {}
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: try wrapping your function pointer type in `Option<T>` instead, and using `is_none` to check for null pointer value
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error: aborting due to 5 previous errors
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