nalgebra/src/geometry/quaternion_coordinates.rs

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use std::ops::{Deref, DerefMut};
use simba::simd::SimdValue;
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use crate::base::coordinates::IJKW;
use crate::Scalar;
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use crate::geometry::Quaternion;
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impl<T: Scalar + SimdValue> Deref for Quaternion<T> {
type Target = IJKW<T>;
#[inline]
fn deref(&self) -> &Self::Target {
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unsafe { &*(self as *const Self as *const Self::Target) }
}
}
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impl<T: Scalar + SimdValue> DerefMut for Quaternion<T> {
#[inline]
fn deref_mut(&mut self) -> &mut Self::Target {
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unsafe { &mut *(self as *mut Self as *mut Self::Target) }
}
}