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Accept FnOnce instead of Fn in canvas cache draw

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Use FnOnce in `draw` function signature instead of `Fn`, permitting the
use of iterators and other one-time functions.
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sushigiri 2023-02-06 09:05:07 -07:00
parent 98a717383a
commit c7d8467c46
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1 changed files with 5 additions and 1 deletions
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6
graphics/src/widget/canvas/cache.rs
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@ -49,7 +49,11 @@ impl Cache {
/// Otherwise, the previously stored [`Geometry`] will be returned. The /// Otherwise, the previously stored [`Geometry`] will be returned. The
/// [`Cache`] is not cleared in this case. In other words, it will keep /// [`Cache`] is not cleared in this case. In other words, it will keep
/// returning the stored [`Geometry`] if needed. /// returning the stored [`Geometry`] if needed.
pub fn draw(&self, bounds: Size, draw_fn: impl Fn(&mut Frame)) -> Geometry { pub fn draw(
&self,
bounds: Size,
draw_fn: impl FnOnce(&mut Frame),
) -> Geometry {
use std::ops::Deref; use std::ops::Deref;
if let State::Filled { if let State::Filled {