Matthias Krüger 6930b6676a Rollup merge of #92366 - jhpratt:derive-default-enum, r=Mark-Simulacrum ... Resolve concern of `derive_default_enum` This resolves the concern in favor of prohibiting multiple instances of the attribute. This is similar to non-helper attributes as introduced in #88681. ``@rustbot`` label +S-waiting-on-review +T-libs-api		2022-02-16 18:59:27 +01:00
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src	Rollup merge of #92366 - jhpratt:derive-default-enum, r=Mark-Simulacrum	2022-02-16 18:59:27 +01:00
Cargo.toml	Add a lint for duplicated attributes.	2021-12-15 23:43:13 +01:00