From: Scott Worley Date: Fri, 14 Jul 2023 01:37:27 +0000 (-0700) Subject: NUM_ usize X-Git-Url: http://git.scottworley.com/pluta-lesnura/commitdiff_plain/95b540e1518ef9deede1af54f24e551a0ad905bc NUM_ usize --- diff --git a/src/lib.rs b/src/lib.rs index c0475b3..b0387bc 100644 --- a/src/lib.rs +++ b/src/lib.rs @@ -1,9 +1,9 @@ use rand::Rng; -pub const NUM_RANKS: u8 = 13; -pub const NUM_SUITS: u8 = 4; -pub const NUM_JOKERS: u8 = 2; -pub const NUM_CARDS: u8 = NUM_RANKS * NUM_SUITS + NUM_JOKERS; +pub const NUM_RANKS: usize = 13; +pub const NUM_SUITS: usize = 4; +pub const NUM_JOKERS: usize = 2; +pub const NUM_CARDS: usize = NUM_RANKS * NUM_SUITS + NUM_JOKERS; #[derive(Clone, Copy, Eq, PartialEq)] pub struct Rank(u8); @@ -22,7 +22,7 @@ pub struct Card(u8); impl Card { #[must_use] pub fn is_joker(&self) -> bool { - self.0 >= NUM_RANKS * NUM_SUITS + usize::from(self.0) >= NUM_RANKS * NUM_SUITS } #[must_use] pub fn rank(&self) -> Option { @@ -42,10 +42,11 @@ pub enum WithOrWithoutJokers { #[must_use] pub fn deck(j: WithOrWithoutJokers) -> Vec { - let limit = match j { + let limit = u8::try_from(match j { WithOrWithoutJokers::WithJokers => NUM_CARDS, WithOrWithoutJokers::WithoutJokers => NUM_SUITS * NUM_RANKS, - }; + }) + .expect("Too many cards?"); (0..limit).map(Card).collect() } @@ -63,7 +64,7 @@ impl PathLengthInfo { self.0 |= 1 << i.0; } pub fn reveal_random(&mut self, true_length: PathLength) -> Option { - let showing = u8::try_from(self.0.count_ones()).expect("There aren't that many bits"); + let showing = usize::try_from(self.0.count_ones()).expect("There aren't that many bits"); let not_showing = NUM_RANKS - showing; if not_showing <= 1 { return None; @@ -71,7 +72,7 @@ impl PathLengthInfo { let mut show = rand::thread_rng().gen_range(0..not_showing - 1); for i in 0..NUM_RANKS { - let r = Rank(i); + let r = Rank(u8::try_from(i).expect("Too many cards?")); if !self.is_showing(r) && r != true_length.0 { if show == 0 { self.reveal(r);