mirror of https://github.com/rust-lang/rust
50 lines
1.8 KiB
Plaintext
50 lines
1.8 KiB
Plaintext
error[E0282]: type annotations needed
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--> $DIR/call_method_unknown_pointee.rs:10:41
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LL | let _a: i32 = (ptr as *const _).read();
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| ^^^^
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| |
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| cannot infer type
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| cannot call a method on a raw pointer with an unknown pointee type
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error[E0282]: type annotations needed for `*const _`
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--> $DIR/call_method_unknown_pointee.rs:12:13
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LL | let b = ptr as *const _;
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| ^
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LL |
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LL | let _b: u8 = b.read();
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| ---- cannot call a method on a raw pointer with an unknown pointee type
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help: consider giving `b` an explicit type, where the placeholders `_` are specified
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LL | let b: *const _ = ptr as *const _;
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| ++++++++++
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error[E0282]: type annotations needed
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--> $DIR/call_method_unknown_pointee.rs:21:39
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LL | let _a: i32 = (ptr as *mut _).read();
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| ^^^^
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| |
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| cannot infer type
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| cannot call a method on a raw pointer with an unknown pointee type
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error[E0282]: type annotations needed for `*mut _`
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--> $DIR/call_method_unknown_pointee.rs:23:13
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LL | let b = ptr as *mut _;
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| ^
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LL |
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LL | b.write(10);
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| ----- cannot call a method on a raw pointer with an unknown pointee type
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help: consider giving `b` an explicit type, where the placeholders `_` are specified
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LL | let b: *mut _ = ptr as *mut _;
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| ++++++++
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error: aborting due to 4 previous errors
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For more information about this error, try `rustc --explain E0282`.
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