d365742bc6
We only want this lint to check casts to numeric, as per the lint title.
Rust already has a built-in check for all other casts
[here][rust_check].
[rust_check]: 5472b0718f/src/librustc_typeck/check/cast.rs (L430-L433)
145 lines
4.5 KiB
Plaintext
145 lines
4.5 KiB
Plaintext
error: casting function pointer `foo` to `i8`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:19:13
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19 | let _ = foo as i8;
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| ^^^^^^^^^ help: try: `foo as usize`
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= note: `-D clippy::fn-to-numeric-cast-with-truncation` implied by `-D warnings`
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error: casting function pointer `foo` to `i16`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:20:13
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20 | let _ = foo as i16;
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| ^^^^^^^^^^ help: try: `foo as usize`
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error: casting function pointer `foo` to `i32`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:21:13
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21 | let _ = foo as i32;
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| ^^^^^^^^^^ help: try: `foo as usize`
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error: casting function pointer `foo` to `i64`
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--> $DIR/fn_to_numeric_cast.rs:22:13
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22 | let _ = foo as i64;
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| ^^^^^^^^^^ help: try: `foo as usize`
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= note: `-D clippy::fn-to-numeric-cast` implied by `-D warnings`
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error: casting function pointer `foo` to `i128`
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--> $DIR/fn_to_numeric_cast.rs:23:13
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23 | let _ = foo as i128;
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| ^^^^^^^^^^^ help: try: `foo as usize`
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error: casting function pointer `foo` to `isize`
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--> $DIR/fn_to_numeric_cast.rs:24:13
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24 | let _ = foo as isize;
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| ^^^^^^^^^^^^ help: try: `foo as usize`
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error: casting function pointer `foo` to `u8`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:26:13
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26 | let _ = foo as u8;
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| ^^^^^^^^^ help: try: `foo as usize`
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error: casting function pointer `foo` to `u16`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:27:13
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27 | let _ = foo as u16;
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| ^^^^^^^^^^ help: try: `foo as usize`
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error: casting function pointer `foo` to `u32`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:28:13
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28 | let _ = foo as u32;
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| ^^^^^^^^^^ help: try: `foo as usize`
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error: casting function pointer `foo` to `u64`
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--> $DIR/fn_to_numeric_cast.rs:29:13
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29 | let _ = foo as u64;
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| ^^^^^^^^^^ help: try: `foo as usize`
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error: casting function pointer `foo` to `u128`
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--> $DIR/fn_to_numeric_cast.rs:30:13
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30 | let _ = foo as u128;
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| ^^^^^^^^^^^ help: try: `foo as usize`
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error: casting function pointer `abc` to `i8`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:43:13
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43 | let _ = abc as i8;
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| ^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `i16`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:44:13
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44 | let _ = abc as i16;
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| ^^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `i32`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:45:13
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45 | let _ = abc as i32;
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| ^^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `i64`
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--> $DIR/fn_to_numeric_cast.rs:46:13
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46 | let _ = abc as i64;
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| ^^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `i128`
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--> $DIR/fn_to_numeric_cast.rs:47:13
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47 | let _ = abc as i128;
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| ^^^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `isize`
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--> $DIR/fn_to_numeric_cast.rs:48:13
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48 | let _ = abc as isize;
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| ^^^^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `u8`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:50:13
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50 | let _ = abc as u8;
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| ^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `u16`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:51:13
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51 | let _ = abc as u16;
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| ^^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `u32`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:52:13
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52 | let _ = abc as u32;
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| ^^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `u64`
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--> $DIR/fn_to_numeric_cast.rs:53:13
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53 | let _ = abc as u64;
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| ^^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `abc` to `u128`
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--> $DIR/fn_to_numeric_cast.rs:54:13
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54 | let _ = abc as u128;
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| ^^^^^^^^^^^ help: try: `abc as usize`
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error: casting function pointer `f` to `i32`, which truncates the value
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--> $DIR/fn_to_numeric_cast.rs:61:5
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61 | f as i32
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| ^^^^^^^^ help: try: `f as usize`
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error: aborting due to 23 previous errors
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