From cea666750bd234d1d040a9b0a10d872acb7fccf4 Mon Sep 17 00:00:00 2001 From: Ian Jackson Date: Thu, 11 Mar 2021 19:30:56 +0000 Subject: [PATCH] hidden: use Once Signed-off-by: Ian Jackson --- src/hidden.rs | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/hidden.rs b/src/hidden.rs index cc469717..15e54992 100644 --- a/src/hidden.rs +++ b/src/hidden.rs @@ -860,16 +860,16 @@ mod recompute { gpieces: &mut GPieces, goccults: &mut GameOccults, ipieces: &IPieces) -> Implemented { - struct GenIncr<'g> { gen: &'g mut Generation, none_yet: Option<()>, } + struct GenIncr<'g> { gen: &'g mut Generation, none_yet: iter::Once<()>, } impl GenIncr<'_> { fn next(&mut self) -> Generation { - if self.none_yet.take().is_some() { self.gen.increment() } + if self.none_yet.next().is_some() { self.gen.increment() } let r = *self.gen; self.gen.increment(); r } } - let mut gen = GenIncr { gen, none_yet: Some(()) }; + let mut gen = GenIncr { gen, none_yet: iter::once(()) }; for occid in self.outdated { if let Some(occ) = goccults.occults.get_mut(occid) { -- 2.30.2