pub trait ArraySplitMap<I, O, const CN: usize, const ON: usize> {
fn array_split_map(self, f: impl Fn([I; CN]) -> O) -> [O; ON];
}
impl<I, O> ArraySplitMap<I, O, 4, 3> for [I; 12] {
#[inline]
fn array_split_map(self, f: impl Fn([I; 4]) -> O) -> [O; 3] {
let [a0, a1, a2, a3, b0, b1, b2, b3, c0, c1, c2, c3] = self;
[
f([a0, a1, a2, a3]),
f([b0, b1, b2, b3]),
f([c0, c1, c2, c3]),
]
}
}
impl<I, O> ArraySplitMap<I, O, 4, 4> for [I; 16] {
#[inline]
fn array_split_map(self, f: impl Fn([I; 4]) -> O) -> [O; 4] {
let [a0, a1, a2, a3, b0, b1, b2, b3, c0, c1, c2, c3, d0, d1, d2, d3] = self;
[
f([a0, a1, a2, a3]),
f([b0, b1, b2, b3]),
f([c0, c1, c2, c3]),
f([d0, d1, d2, d3]),
]
}
}
impl<I, O> ArraySplitMap<I, O, 4, 8> for [I; 32] {
#[inline]
fn array_split_map(self, f: impl Fn([I; 4]) -> O) -> [O; 8] {
let [a0, a1, a2, a3, b0, b1, b2, b3, c0, c1, c2, c3, d0, d1, d2, d3, e0, e1, e2, e3, f0, f1, f2, f3, g0, g1, g2, g3, h0, h1, h2, h3] =
self;
[
f([a0, a1, a2, a3]),
f([b0, b1, b2, b3]),
f([c0, c1, c2, c3]),
f([d0, d1, d2, d3]),
f([e0, e1, e2, e3]),
f([f0, f1, f2, f3]),
f([g0, g1, g2, g3]),
f([h0, h1, h2, h3]),
]
}
}
impl<I, O> ArraySplitMap<I, O, 8, 2> for [I; 16] {
#[inline]
fn array_split_map(self, f: impl Fn([I; 8]) -> O) -> [O; 2] {
let [a0, a1, a2, a3, a4, a5, a6, a7, b0, b1, b2, b3, b4, b5, b6, b7] = self;
[
f([a0, a1, a2, a3, a4, a5, a6, a7]),
f([b0, b1, b2, b3, b4, b5, b6, b7]),
]
}
}