How to enable clr in SqlLocalDB

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SQL

SQL-Server-2014

Hi.
I used follow statement to enable clr and use external assembly in sql server 2012.

EXEC sp_configure 'clr enabled' , '1' 
go 
reconfigure; 

CREATE ASSEMBLY PersianSQLFunctions 
FROM 'D:\MetaJoin\Component\PersianSQLFunctions.dll'

CREATE FUNCTION ToPersianDateTime 
( 
@dt DateTime 
) 
RETURNS NVARCHAR(19) 
AS EXTERNAL NAME PersianSQLFunctions.UserDefinedFunctions.ToPersianDateTime 
CREATE FUNCTION ToPersianDate 
( 
@dt DateTime 
) 
RETURNS NVARCHAR(10) 
AS EXTERNAL NAME PersianSQLFunctions.UserDefinedFunctions.ToPersianDate 

this work in sql server but not work in sqllocalDb.
How do i do?
thx.