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35 lines
1.2 KiB
Rust
35 lines
1.2 KiB
Rust
// It might be intuitive for a user coming from languages like Java
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// to declare a method directly in a struct's definition. Make sure
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// rustc can give a helpful suggestion.
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// Suggested in issue #76421
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struct S {
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field: usize,
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fn foo() {}
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//~^ ERROR functions are not allowed in struct definitions
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//~| HELP unlike in C++, Java, and C#, functions are declared in `impl` blocks
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//~| HELP see https://doc.rust-lang.org/book/ch05-03-method-syntax.html for more information
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}
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union U {
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variant: usize,
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fn foo() {}
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//~^ ERROR functions are not allowed in union definitions
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//~| HELP unlike in C++, Java, and C#, functions are declared in `impl` blocks
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//~| HELP see https://doc.rust-lang.org/book/ch05-03-method-syntax.html for more information
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}
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enum E {
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Variant,
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fn foo() {}
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//~^ ERROR functions are not allowed in enum definitions
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//~| HELP unlike in C++, Java, and C#, functions are declared in `impl` blocks
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//~| HELP see https://doc.rust-lang.org/book/ch05-03-method-syntax.html for more information
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//~| HELP enum variants can be `Variant`, `Variant = <integer>`, `Variant(Type, ..., TypeN)` or `Variant { fields: Types }`
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}
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fn main() {}
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