battler 0.8.0

Pokémon battle engine for Rust.
Documentation 
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/// Trait for unsafely detaching an immutable borrow, attaching a new lifetime to it.
pub trait UnsafelyDetachBorrow<'a, 'b, T> {
    /// Unsafely detaches an immutable borrow, attaching a new lifetime.
    ///
    /// This method primarily allows a borrow to be used alongside other mutable borrows of the
    /// same lifetime. It should not be used lightly and it should likely only be used alongside an
    /// explanation of the safety guarantee.
    unsafe fn unsafely_detach_borrow(&'a self) -> &'b T;
}

impl<'a, 'b, T> UnsafelyDetachBorrow<'a, 'b, T> for T {
    unsafe fn unsafely_detach_borrow(&'a self) -> &'b T {
        unsafe { core::mem::transmute::<&'a Self, &'b Self>(self) }
    }
}

/// Trait for unsafely detaching a mutable borrow, attaching a new lifetime to it.
pub trait UnsafelyDetachBorrowMut<'a, 'b, T> {
    /// Unsafely detaches a mutable borrow, attaching a new lifetime.
    ///
    /// This method primarily allows a borrow to be used alongside other mutable borrows of the
    /// same lifetime. It should not be used lightly and it should likely only be used alongside an
    /// explanation of the safety guarantee.
    unsafe fn unsafely_detach_borrow_mut(&'a mut self) -> &'b mut T;
}

impl<'a, 'b, T> UnsafelyDetachBorrowMut<'a, 'b, T> for T {
    unsafe fn unsafely_detach_borrow_mut(&'a mut self) -> &'b mut T {
        unsafe { core::mem::transmute::<&'a mut Self, &'b mut Self>(self) }
    }
}