datasources 0.1.5

Async datasource interfaces, middleware, registry, and test doubles
Documentation 
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use crate::result::Result;
use async_trait::async_trait;

#[async_trait]
pub trait IUnitOfWork: Send {
    async fn begin(&mut self) -> Result<()>;
    async fn commit(&mut self) -> Result<()>;
    async fn abort(&mut self) -> Result<()>;
}