heh
Diffstat (limited to 'src/util.rs')
| -rw-r--r-- | src/util.rs | 45 |
1 files changed, 19 insertions, 26 deletions
diff --git a/src/util.rs b/src/util.rs index 3db057f..24f062f 100644 --- a/src/util.rs +++ b/src/util.rs @@ -883,7 +883,10 @@ macro_rules! ι { ι!(usize); pub mod 読む { - use std::io::{self, Read}; + use std::{ + io::{self, Read}, + ops::{Add, BitOrAssign, Shl}, + }; pub trait Ext { fn rd<const N: usize>(&mut self) -> io::Result<[u8; N]>; fn by(&mut self) -> io::Result<u8> { @@ -953,13 +956,17 @@ pub mod 読む { // (b & 0xF) + 9 * (b >> 6) } - // i wonder if this is genericable - pub fn hex5([a, b, c, d, e]: [u8; 5]) -> u32 { - (hex_dig(a).widen().widen() << 16) - | (hex_dig(b).widen().widen() << 12) - | (hex_dig(c).widen().widen() << 8) - | (hex_dig(d).widen().widen() << 4) - | (hex_dig(e).widen().widen()) + pub fn hexN< + T: From<u8> + TryFrom<usize> + Shl<T, Output = T> + BitOrAssign<T>, + const N: usize, + >( + a: [u8; N], + ) -> T { + let mut c = T::from(hex_dig(a[0])) << T::try_from((N - 1) * 4).ψ(); + for (&n, sh) in a[1..].iter().zip((0..N - 1).rev()) { + c |= T::from(hex_dig(n)) << T::try_from(sh * 4).ψ(); + } + c } pub fn hex(mut d: &[u8]) -> Result<u32, ()> { @@ -970,13 +977,9 @@ pub mod 読む { } Ok(num) } + pub fn 迄または完了< - T: Default - + std::ops::Mul<T, Output = T> - + std::ops::Add<T, Output = T> - + From<u8> - + Copy - + Ten, + T: Default + std::ops::Mul<T, Output = T> + Add<T, Output = T> + From<u8> + Copy + Ten, >( x: &mut &[u8], until: u8, @@ -1006,12 +1009,7 @@ pub mod 読む { } pub fn 迄< - T: Default - + std::ops::Mul<T, Output = T> - + std::ops::Add<T, Output = T> - + From<u8> - + Copy - + Ten, + T: Default + std::ops::Mul<T, Output = T> + Add<T, Output = T> + From<u8> + Copy + Ten, >( x: &mut &[u8], until: u8, @@ -1027,12 +1025,7 @@ pub mod 読む { } pub fn 完了< - T: Default - + std::ops::Mul<T, Output = T> - + std::ops::Add<T, Output = T> - + From<u8> - + Copy - + Ten, + T: Default + std::ops::Mul<T, Output = T> + Add<T, Output = T> + From<u8> + Copy + Ten, >( x: &[u8], ) -> T { |