Struct Writer 

pub struct Writer { /* private fields */ }

A provider’s turn: the fields due, written for the rows it fills.

Implementations

impl Writer

pub fn mirror(&self) -> &str

The mirror’s address.

pub fn scopes(&self) -> &[Vec<u8>]

What the declarations asked it to cover, each its scope type’s frame.

pub fn writing(&self, i: usize) -> bool

Whether scope i is due this turn (the others are only kept as keys).

pub fn keep_keys(&mut self, live: &[(u64, Option<u64>)])

Makes its key space’s keys live (each with its parent key): the new ones put, the others taken — for a mod’s own key space.

pub fn wants(&self, field: usize) -> bool

Whether field field is due (someone asked for it now).

pub fn row(&mut self, key: u64) -> Option<u32>

key’s row (a key its space hasn’t got has none: nothing to write).

pub fn leave(&mut self, row: u32)

Row row no longer filled by this mirror.

pub fn set<T: Cell>( &mut self, field: usize, row: u32, value: impl FnOnce() -> T, )

Sets field field at row to what value gives — called only when the field is due.