Macro mf_plugin_metadata 

macro_rules! mf_plugin_metadata {
    ($name:expr) => { ... };
    ($name:expr, version = $version:expr) => { ... };
    ($name:expr,
     version = $version:expr,
     description = $desc:expr,
     author = $author:expr
     $(, dependencies = [$($dep:expr),* $(,)?])?
     $(, conflicts = [$($conflict:expr),* $(,)?])?
     $(, state_fields = [$($field:expr),* $(,)?])?
     $(, tags = [$($tag:expr),* $(,)?])?
    ) => { ... };
}

👎Deprecated since 2.0.0:

请使用 mf_meta! 宏代替，它不需要重复指定插件名称

创建插件元数据的辅助宏 (已废弃，请使用 mf_meta!)