/// <summary>
/// Adds <see langword="catch" /> statement catching <see cref="Exception"/> specified as <typeparamref name="T"/>
/// </summary>
/// <param name="catch"><see langword="catch" /> block body</param>
/// <typeparam name="T"><see cref="Exception"/> type to catch</typeparam>
/// <returns></returns>
public TryCatchFinallyBuilder Catch <T>(Func <ExpressionContainer <T>, Expression> @catch) where T : Exception
{
var exception = ExpressionShortcuts.Var <T>();
var body = @catch(exception);
var catchBlock = Expression.Catch((ParameterExpression)exception, body);
return(Catch(catchBlock));
}
/// <summary>
/// Adds <see langword="catch" /> statement catching all <see cref="Exception"/> types
/// </summary>
/// <param name="catch"></param>
/// <param name="when"></param>
/// <typeparam name="T"></typeparam>
/// <returns></returns>
public TryCatchFinallyBuilder Catch <T>(Func <ExpressionContainer <T>, Expression> @catch, Func <ExpressionContainer <T>, ExpressionContainer <bool> > when) where T : Exception
{
var exception = ExpressionShortcuts.Var <T>();
var body = @catch(exception);
var filter = when?.Invoke(exception);
var catchBlock = filter == null
? Expression.Catch((ParameterExpression)exception, body)
: Expression.Catch((ParameterExpression)exception, body, filter);
return(Catch(catchBlock));
}
