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use super::*;

/// Wrapper for a register value that holds register reference.
pub trait RegHold<'a, T, U>
where
  Self: Sized + 'a,
  T: RegTag,
  U: Reg<T>,
{
  /// Creates a new `Hold`.
  unsafe fn new(reg: &'a U, val: U::Val) -> Self;

  /// Returns the inner value.
  fn val(&self) -> U::Val;

  /// Replaces the inner value.
  fn set_val(&mut self, val: U::Val);
}