Struct Chain 

pub struct Chain<I, O> { /* private fields */ }

Executes a typed sequence of steps.

Implementations

impl<I, O> Chain<I, O>

where I: Send + 'static, O: Send + 'static,

pub async fn execute( &self, input: I, progress: Option<ChainProgressFn>, cancel: CancellationToken, ) -> AppResult<O>

Execute the chain, short-circuiting on the first failed step.

pub fn len(&self) -> usize

Number of steps in the chain.

pub fn is_empty(&self) -> bool

Whether the chain has no steps.