Enum Output 

pub enum Output {
    Out(Option<Content>),
    Err(String),
    ErrWithExitCode(Option<i32>, Option<Content>),
    ConditionResult(bool),
}

Output represents the output of a node. Different from information packet (Content, used to communicate with other Nodes), Output carries the information that Node needs to pass to the Graph.

Variants

Out(Option<Content>)

Err(String)

ErrWithExitCode(Option<i32>, Option<Content>)

ConditionResult(bool)

…

Implementations

impl Output

pub fn new<H>(val: H) -> Output

where H: Send + Sync + 'static,

Construct a new Output.

Since the return value may be transferred between threads, Send, Sync is needed.

pub fn empty() -> Output

Construct an empty Output.

pub fn error(msg: String) -> Output

Construct an Output` with an error message.

pub fn error_with_exit_code(code: Option<i32>, msg: Option<Content>) -> Output

Construct an Output` with an exit code and an optional error message.

pub fn get_out(&self) -> Option<Content>

Get the contents of Output.

pub fn get_err(&self) -> Option<String>

Get error information stored in Output.

Trait Implementations

impl Clone for Output

fn clone(&self) -> Output

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Output

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.