Re: Unconstrained arrays

[aio!pat!heberle@ames.arc.nasa.gov (J. Craig Heberle)]

In article <9308111528.aa04642@Paris.ics.uci.edu>, kanderso@mabillon.ICS.UCI.ED
U (Kenneth Anderson) writes:
|> Hello,
|> 
|>   I have declared the following type (DynamicString is an imported type)
|> 
|>         type Str_Array is array (Natural range <>) of DynamicString;
|> 
|> Later when I try to declare objects of this type, the compiler likes this
|> 
|> 
|>    Viewers : str_array(1 .. 6) := (Create("Airspeed_Guage"),
|>                                    Create("Altimeter_Guage"),
|>                                    Create("Compass_Guage"),
|>                                    Create("Horizon_Guage"),
|>                                    Create("ROC_Guage"),
|>                                    Create("Turn_Guage"));
|> 
|> but it does not like this
|> 
|>    Viewers : str_array(1 .. 1) := (Create("text_artist"));
|> 
|> Here is the error message generated by the SunAda 1.1 compiler
|> 
|> 
|> --### A:error: RM 8.3: no visible identifier is of type str_array
|> 
|> 
|> If I change the above declaration to
|> 
|>    Viewers : str_array(1 .. 2) := (Create("text_artist"),
|>                                    Create("ignore"));
|> 
|> The compiler is happy again.
|> 
|>   Can someone help me out on this?  Why can't I declare AND initialize
|> an array of only one element?
|> 
|> Any help would be appreciated,
|> 
|> Thanks in advance,
|> 
|> Ken Anderson

LRM page 4-7, section 4.3.4:  "Aggregates containing a single
component association must always be given in named notation."

  Viewers : str_array (1 .. 1) := (1 => Create("text_artist"));

This will compile.
-- 
===================================================================
                              |    EMAIL address:
Craig Heberle                 |    heberle@pat.mdc.com
                              |    
===================================================================