1 {"message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
3 Erroneous code examples:
6 fn plus_one(x: i32) -> i32 {
10 plus_one(\"Not a number\");
11 // ^^^^^^^^^^^^^^ expected `i32`, found `&str`
14 // ^^^^^^^^^^^^ expected `bool`, found `&str`
17 let x: f32 = \"Not a float\";
18 // --- ^^^^^^^^^^^^^ expected `f32`, found `&str`
20 // expected due to this
23 This error occurs when an expression was used in a place where the compiler
24 expected an expression of a different type. It can occur in several cases, the
25 most common being when calling a function and passing an argument which has a
26 different type than the matching type in the function declaration.
27 "},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":606,"byte_end":607,"line_start":16,"line_end":16,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":" let s : String = 1; // Error in the middle of line.","highlight_start":22,"highlight_end":23}],"label":"expected struct `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":597,"byte_end":603,"line_start":16,"line_end":16,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":" let s : String = 1; // Error in the middle of line.","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":607,"byte_end":607,"line_start":16,"line_end":16,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":" let s : String = 1; // Error in the middle of line.","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf.rs:16:22: error[E0308]: mismatched types
29 {"message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
31 Erroneous code examples:
34 fn plus_one(x: i32) -> i32 {
38 plus_one(\"Not a number\");
39 // ^^^^^^^^^^^^^^ expected `i32`, found `&str`
42 // ^^^^^^^^^^^^ expected `bool`, found `&str`
45 let x: f32 = \"Not a float\";
46 // --- ^^^^^^^^^^^^^ expected `f32`, found `&str`
48 // expected due to this
51 This error occurs when an expression was used in a place where the compiler
52 expected an expression of a different type. It can occur in several cases, the
53 most common being when calling a function and passing an argument which has a
54 different type than the matching type in the function declaration.
55 "},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":666,"byte_end":667,"line_start":18,"line_end":18,"column_start":22,"column_end":23,"is_primary":true,"text":[{"text":" let s : String = 1","highlight_start":22,"highlight_end":23}],"label":"expected struct `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":657,"byte_end":663,"line_start":18,"line_end":18,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":" let s : String = 1","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":667,"byte_end":667,"line_start":18,"line_end":18,"column_start":23,"column_end":23,"is_primary":true,"text":[{"text":" let s : String = 1","highlight_start":23,"highlight_end":23}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf.rs:18:22: error[E0308]: mismatched types
57 {"message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
59 Erroneous code examples:
62 fn plus_one(x: i32) -> i32 {
66 plus_one(\"Not a number\");
67 // ^^^^^^^^^^^^^^ expected `i32`, found `&str`
70 // ^^^^^^^^^^^^ expected `bool`, found `&str`
73 let x: f32 = \"Not a float\";
74 // --- ^^^^^^^^^^^^^ expected `f32`, found `&str`
76 // expected due to this
79 This error occurs when an expression was used in a place where the compiler
80 expected an expression of a different type. It can occur in several cases, the
81 most common being when calling a function and passing an argument which has a
82 different type than the matching type in the function declaration.
83 "},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":730,"byte_end":731,"line_start":22,"line_end":22,"column_start":1,"column_end":2,"is_primary":true,"text":[{"text":"1; // Error after the newline.","highlight_start":1,"highlight_end":2}],"label":"expected struct `String`, found integer","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":720,"byte_end":726,"line_start":21,"line_end":21,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":" let s : String =","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[{"message":"try using a conversion method","code":null,"level":"help","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":731,"byte_end":731,"line_start":22,"line_end":22,"column_start":2,"column_end":2,"is_primary":true,"text":[{"text":"1; // Error after the newline.","highlight_start":2,"highlight_end":2}],"label":null,"suggested_replacement":".to_string()","suggestion_applicability":"MaybeIncorrect","expansion":null}],"children":[],"rendered":null}],"rendered":"$DIR/json-bom-plus-crlf.rs:22:1: error[E0308]: mismatched types
85 {"message":"mismatched types","code":{"code":"E0308","explanation":"Expected type did not match the received type.
87 Erroneous code examples:
90 fn plus_one(x: i32) -> i32 {
94 plus_one(\"Not a number\");
95 // ^^^^^^^^^^^^^^ expected `i32`, found `&str`
98 // ^^^^^^^^^^^^ expected `bool`, found `&str`
101 let x: f32 = \"Not a float\";
102 // --- ^^^^^^^^^^^^^ expected `f32`, found `&str`
104 // expected due to this
107 This error occurs when an expression was used in a place where the compiler
108 expected an expression of a different type. It can occur in several cases, the
109 most common being when calling a function and passing an argument which has a
110 different type than the matching type in the function declaration.
111 "},"level":"error","spans":[{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":786,"byte_end":794,"line_start":24,"line_end":25,"column_start":22,"column_end":6,"is_primary":true,"text":[{"text":" let s : String = (","highlight_start":22,"highlight_end":23},{"text":" ); // Error spanning the newline.","highlight_start":1,"highlight_end":6}],"label":"expected struct `String`, found `()`","suggested_replacement":null,"suggestion_applicability":null,"expansion":null},{"file_name":"$DIR/json-bom-plus-crlf.rs","byte_start":777,"byte_end":783,"line_start":24,"line_end":24,"column_start":13,"column_end":19,"is_primary":false,"text":[{"text":" let s : String = (","highlight_start":13,"highlight_end":19}],"label":"expected due to this","suggested_replacement":null,"suggestion_applicability":null,"expansion":null}],"children":[],"rendered":"$DIR/json-bom-plus-crlf.rs:24:22: error[E0308]: mismatched types
113 {"message":"aborting due to 4 previous errors","code":null,"level":"error","spans":[],"children":[],"rendered":"error: aborting due to 4 previous errors