Struct Text 

pub struct Text { /* private fields */ }

One text cell. Cheap to clone; every clone is the same place.

Implementations

impl Text

pub fn id(&self) -> TextId

pub fn load(&self) -> Result<String>

A copy of the current text.

pub fn len(&self) -> Result<usize>

pub fn is_empty(&self) -> Result<bool>

pub fn store(&self, text: &str) -> Result<()>

Replace the text.

pub fn append(&self, text: &str) -> Result<usize>

Append to the text, atomically with respect to every other writer; refused whole, never cut, when the result would not fit.

pub fn release(self) -> Result<()>

Give the cell back; this and every other handle to it go stale.

pub fn version(&self) -> Result<u32>

The seqlock sequence at rest, the thing Self::wait_changed waits on. Take it before Self::load and the wait misses nothing.

pub fn wait_changed(&self, since: u32) -> Result<u32>

Park until the text has been written since since, then return the sequence now. A released cell wakes every waiter with Error::StaleText. Blocking; an async runtime wraps it.

Trait Implementations

impl Clone for Text

fn clone(&self) -> Text

Returns a duplicate of the value.

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

Performs copy-assignment from source.