mirror of https://github.com/rust-lang/rust
41 lines
2.1 KiB
Plaintext
41 lines
2.1 KiB
Plaintext
{"$message_type":"diagnostic","message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
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Erroneous code examples:
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```compile_fail,E0308
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fn plus_one(x: i32) -> i32 {
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x + 1
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}
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plus_one(\"Not a number\");
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// ^^^^^^^^^^^^^^ expected `i32`, found `&str`
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if \"Not a bool\" {
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// ^^^^^^^^^^^^ expected `bool`, found `&str`
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}
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let x: f32 = \"Not a float\";
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// --- ^^^^^^^^^^^^^ expected `f32`, found `&str`
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// |
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// expected due to this
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```
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This error occurs when an expression was used in a place where the compiler
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expected an expression of a different type. It can occur in several cases, the
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most common being when calling a function and passing an argument which has a
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different type than the matching type in the function declaration.
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"},"level":"error","spans":[{"file_name":"$DIR/flag-json.rs","byte_start":291,"byte_end":293,"line_start":8,"line_end":8,"column_start":17,"column_end":19,"is_primary":true,"text":[{"text":" let _: () = 42;","highlight_start":17,"highlight_end":19}],"label":"expected `()`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/flag-json.rs","byte_start":286,"byte_end":288,"line_start":8,"line_end":8,"column_start":12,"column_end":14,"is_primary":false,"text":[{"text":" let _: () = 42;","highlight_start":12,"highlight_end":14}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"error[E0308]: mismatched types
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--> $DIR/flag-json.rs:8:17
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LL | ..._: () = 42;
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| -- ^^ expected `()`, found integer
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| |
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| expected due to this
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"}
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{"$message_type":"diagnostic","message":"aborting due to 1 previous error","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 1 previous error
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"}
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{"$message_type":"diagnostic","message":"For more information about this error, try `rustc --explain E0308`.","code":null,"level":"failure-note","spans":[],"children":[],"rendered":"For more information about this error, try `rustc --explain E0308`.
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"}
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