Struct CapturePrinter 

pub struct CapturePrinter {
    pub values: Vec<Value>,
    pub events: Vec<Value>,
}

Available on crate feature terminal only.

A Printer keeping each value and event a command prints as JSON, for a caller that hands them on rather than printing them.

Fields

values: Vec<Value>

The values printed, in order.

events: Vec<Value>

The events printed, in order.

Implementations

impl CapturePrinter

pub fn into_single(self) -> Result<Value>

The one value the command printed, failing when it printed none or several.

Trait Implementations

impl Debug for CapturePrinter

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

Formats the value using the given formatter.

impl Default for CapturePrinter

fn default() -> Self

Returns the “default value” for a type.

impl Printer for CapturePrinter

fn out<T: Display + Serialize>(&mut self, data: T) -> Result<()>

Writes the result of the command, as text or JSON.

fn event<T: Display + Serialize>(&mut self, event: T) -> Result<()>

Writes an event, something the command observed while running, before its result.

fn out_bytes(&mut self, bytes: Bytes) -> Result<()>

Writes bytes as the result of the command: verbatim in text mode, as a Bytes object under JSON.

fn is_json(&self) -> bool

Whether the printer emits JSON.