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Marwes / schemafy

Crate for generating rust types from a json schema
MIT License
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`derive helper attribute is used before it is introduced` warning in schemafy::schemafy! #42

Closed anatawa12 closed 3 years ago

anatawa12 commented 3 years ago

When generating rust types for openapi schema with schemafy::schemafy!

warning: derive helper attribute is used before it is introduced
   --> generator/src/main.rs:7:1
    |
7   | / schemafy::schemafy!(
8   | |     "../schema/openapi-schema.json"
9   | | );
    | |  ^
    | |  |
    | |__the attribute is introduced here
    |    in this macro invocation
    | 
   ::: /Users/anatawa12/.cargo/registry/src/github.com-1ecc6299db9ec823/schemafy-0.5.1/src/lib.rs:157:1
    |
157 |   pub fn schemafy(tokens: proc_macro::TokenStream) -> proc_macro::TokenStream {
    |   --------------------------------------------------------------------------- in this expansion of `schemafy::schemafy!`
    |
    = note: `#[warn(legacy_derive_helpers)]` on by default
    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>

warning: 1 warning emitted