public Expression ReplaceIn(Expression target)
{
if (target == null)
{
throw new ArgumentNullException("target");
}
var visitor = new ExpressionReplacerVisitor(_replacements);
return(visitor.Replace(target));
}
public static Expression ReplaceParameters(this LambdaExpression lambda, params Expression[] replacer)
{
var original = lambda.Parameters;
var len = Math.Min(original.Count, replacer.Length);
var result = lambda.Body;
for (int i = 0; i < len; i++)
{
result = new ExpressionReplacerVisitor(original[i], replacer[i]).Visit(result);
}
return(result);
}
public Expression ReplaceIn(Expression target)
{
if (_target == null) { throw new ArgumentNullException("target"); }
var visitor = new ExpressionReplacerVisitor(_replacements);
return visitor.Replace(_target);
}
public static Expression <Func <T, bool> > Combine <T, TProp>(this Expression <Func <T, TProp> > left, Expression <Func <TProp, bool> > right)
{
var body = new ExpressionReplacerVisitor(right.Parameters[0], left.Body).Visit(right.Body);
return(Expression.Lambda <Func <T, bool> >(body, left.Parameters[0]));
}
