Re: Aliasing or referencing assignment

[David Trudgett <wpower@zeta.org.au.nospamplease>]

Martin Dowie <martin.dowie@btopenworld.com> writes:

> David Trudgett wrote:
>> Jeffrey Carter <spam@spam.com> writes:
>>
>>>David Trudgett wrote:
>>>
>>>>Also, is the 'To_Unbounded_String("this is a string")' really
>>>>necessary? I thought I read in the ARM that string literals were
>>>>defined for all the string types.
>>>
>>>String literals are defined for all string types. However,
>>>Unbounded_String is not a string type. A string type is a
>>>one-dimensional array with components of a character
>>>type. Unbounded_String is a private type.
>> Well that explains that little mystery, then. I just didn't want to
>> be
>> using all those "To_Unbounded_String" calls if I could avoid them. I
>> suppose they get optimised away in the actual object code, though.
>
> Er, no - why would you think that?...

Without knowing the details of how they work, I was just assuming they
would be pre-elaborated during the compilation process.

David

-- 

David Trudgett
http://www.zeta.org.au/~wpower/

Patriotism is a pernicious, psychopathic form of idiocy.

    -- George Bernard Shaw (1856-1950)