Trait S3Backend 

pub trait S3Backend: Send + Sync {
    // Required methods
    fn put<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        bucket: &'life1 str,
        key: &'life2 str,
        data: Bytes,
    ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait;
    fn get<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        bucket: &'life1 str,
        key: &'life2 str,
    ) -> Pin<Box<dyn Future<Output = Result<Bytes>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait;
    fn delete<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        bucket: &'life1 str,
        key: &'life2 str,
    ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait;
    fn exists<'life0, 'life1, 'life2, 'async_trait>(
        &'life0 self,
        bucket: &'life1 str,
        key: &'life2 str,
    ) -> Pin<Box<dyn Future<Output = bool> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait,
             'life2: 'async_trait;
}

S3后端抽象（允许注入真实aws-sdk-s3实现或测试mock）

Required Methods

fn put<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, bucket: &'life1 str, key: &'life2 str, data: Bytes, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

fn get<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, bucket: &'life1 str, key: &'life2 str, ) -> Pin<Box<dyn Future<Output = Result<Bytes>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

fn delete<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, bucket: &'life1 str, key: &'life2 str, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

fn exists<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, bucket: &'life1 str, key: &'life2 str, ) -> Pin<Box<dyn Future<Output = bool> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Dyn Compatibility

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors