undef casti hashu

[Honza Pazdziora]

On Fri, Jun 07, 2002 at 11:58:25AM +0200, Roman Fordinal wrote:
> 
> DO> delete $hash{druhe}; nefunguje? 
> DO> (man perlfunc)
> super. very thnx.
> 
> preco sa teda pouziva na rusenie premennej primarne undef?
> uvolni delete pre premenne procesu alokovanu pamet tejto premennej?
> alebo ju len zmaze zo zoznamu premennych?

delete muzete udelat pouze na prvek hashe, nikoli na promennou. Ano,
delete uvolni pamet, kterou ten prvek hashe obsahoval. Prirazeni undef
proste pouze tomu (existujicimu) prvku hash priradi pozadovanou
hodnotu, undef.

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 Honza Pazdziora | adelton na fi.muni.cz | http://www.fi.muni.cz/~adelton/
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