public bool TryGet(ref Expression expr)
{
var hash = ExpressionHashVisitor.GetHash(expr);
Expression cExpr = null;
if (_cache.TryGetValue(hash, out cExpr))
{
expr = cExpr;
Hits++;
return(true);
}
Fails++;
return(false);
}
public void Add(Expression expr)
{
var hash = ExpressionHashVisitor.GetHash(expr);
_cache[hash] = expr;
}