OpenEuphoria

Re: Implementing structures

• Posted by Irv Mullins <mountains at MINDSPRING.COM> Apr 23, 1998
• 593 views

At 02:53 PM 4/23/98 -0700, David Cuny wrote:
>
>   constant structure( "listbox" )     -- new type of structure
>      element( "location", "coords" )  -- already defined
>      element( "size", "coords" )      -- ditto
>      element( "caption", "sequence" ) -- gets type checking
>      element( "maxlen", "atom" )      -- ditto
>      ... etc
>
>Since we are passing the data type along with the element name, we know
what test to perform during data checking.
>
Hmm... looks pretty good. How do we handle user-defined type checking?
Checking for the usual suspects (atom, integer, sequence) could be done
with a simple if atom ... elsif integer... elsif sequence sort of logic.
But we can't get a routine_id for a type: coords for example. More
hardcoding?

Irv