Struct lazycell::LazyCell

pub struct LazyCell<T> {
    // some fields omitted
}

A lazily filled Cell, with frozen contents.

Methods

impl<T> LazyCell<T>

fn new() -> LazyCell<T>

Creates a new, empty, LazyCell.

fn fill(&self, t: T)

Put a value into this cell.

This function will fail if the cell has already been filled.

fn filled(&self) -> bool

Test whether this cell has been previously filled.

fn borrow(&self) -> Option<&T>

Borrows the contents of this lazy cell for the duration of the cell itself.

This function will return Some if the cell has been previously initialized, and None if it has not yet been initialized.

fn into_inner(self) -> Option<T>

Consumes this LazyCell, returning the underlying value.