pinch-points 0.1.0

A fast, kid-friendly crab-routing game: route streams of crabs into your sandcastle before the tide comes in
Documentation 
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/// FNV-1a 64-bit, used to fingerprint the full simulation state for the
/// cross-platform determinism test and future desync detection. Not a general
/// hasher: field order in `Board::state_hash` is part of the format.
pub(crate) struct Fnv(u64);

impl Fnv {
    pub fn new() -> Self {
        Fnv(0xcbf2_9ce4_8422_2325)
    }

    pub fn u8(&mut self, b: u8) {
        self.0 ^= u64::from(b);
        self.0 = self.0.wrapping_mul(0x100_0000_01b3);
    }

    pub fn u16(&mut self, v: u16) {
        for b in v.to_le_bytes() {
            self.u8(b);
        }
    }

    pub fn u32(&mut self, v: u32) {
        for b in v.to_le_bytes() {
            self.u8(b);
        }
    }

    pub fn u64(&mut self, v: u64) {
        for b in v.to_le_bytes() {
            self.u8(b);
        }
    }

    pub fn bool(&mut self, v: bool) {
        self.u8(u8::from(v));
    }

    pub fn finish(&self) -> u64 {
        self.0
    }
}