class SQLite3::Database::FunctionProxy

def initialize

the context functions will be available.
it is non-nil, it must quack like a Hash. If it is nil, then none of
If context is non-nil, the functions context will be set to that. If
Create a new FunctionProxy that encapsulates the given +func+ object. 
def initialize
  @result   = nil
  @context  = {}
end