| { |
| "children": [{ |
| "children": [], |
| "code": null, |
| "level": "help", |
| "message": "items from traits can only be used if the trait is in scope", |
| "rendered": null, |
| "spans": [] |
| }, { |
| "children": [], |
| "code": null, |
| "level": "help", |
| "message": "the following trait is implemented but not in scope, perhaps add a `use` for it:", |
| "rendered": null, |
| "spans": [{ |
| "byte_end": 0, |
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| "column_end": 1, |
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| "file_name": "src/main.rs", |
| "is_primary": true, |
| "label": null, |
| "line_end": 1, |
| "line_start": 1, |
| "suggested_replacement": "use std::fmt::Write;\n\n", |
| "suggestion_applicability": "Unspecified", |
| "text": [{ |
| "highlight_end": 1, |
| "highlight_start": 1, |
| "text": "fn main() {" |
| }] |
| }] |
| }], |
| "code": { |
| "code": "E0599", |
| "explanation": "\nThis error occurs when a method is used on a type which doesn't implement it:\n\nErroneous code example:\n\n```compile_fail,E0599\nstruct Mouth;\n\nlet x = Mouth;\nx.chocolate(); // error: no method named `chocolate` found for type `Mouth`\n // in the current scope\n```\n" |
| }, |
| "level": "error", |
| "message": "no method named `write_fmt` found for type `std::string::String` in the current scope", |
| "rendered": "error[E0599]: no method named `write_fmt` found for type `std::string::String` in the current scope\n --> src/main.rs:3:5\n |\n3 | write!(out, \"{}\", 123);\n | ^^^^^^^^^^^^^^^^^^^^^^^\n |\n = help: items from traits can only be used if the trait is in scope\n = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)\nhelp: the following trait is implemented but not in scope, perhaps add a `use` for it:\n |\n1 | use std::fmt::Write;\n |\n\n", |
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| "file_name": "<write macros>", |
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| "text": [{ |
| "highlight_end": 43, |
| "highlight_start": 1, |
| "text": "( $ dst : expr , $ ( $ arg : tt ) * ) => (" |
| }, { |
| "highlight_end": 56, |
| "highlight_start": 1, |
| "text": "$ dst . write_fmt ( format_args ! ( $ ( $ arg ) * ) ) )" |
| }] |
| }, |
| "macro_decl_name": "write!", |
| "span": { |
| "byte_end": 72, |
| "byte_start": 49, |
| "column_end": 28, |
| "column_start": 5, |
| "expansion": null, |
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| "label": null, |
| "line_end": 3, |
| "line_start": 3, |
| "suggested_replacement": null, |
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| "text": [{ |
| "highlight_end": 28, |
| "highlight_start": 5, |
| "text": " write!(out, \"{}\", 123);" |
| }] |
| } |
| }, |
| "file_name": "<write macros>", |
| "is_primary": true, |
| "label": null, |
| "line_end": 2, |
| "line_start": 2, |
| "suggested_replacement": null, |
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| "text": [{ |
| "highlight_end": 18, |
| "highlight_start": 9, |
| "text": "$ dst . write_fmt ( format_args ! ( $ ( $ arg ) * ) ) )" |
| }] |
| }] |
| } |
