Arena storage pool: Difference between revisions

m
→‎{{header|REXX}}: clarified the use of the DROP veryb.
(→‎{{header|REXX}}: removed the incorrect flag and created/moved it to the discussion page (new entry) for a proper discussion.)
m (→‎{{header|REXX}}: clarified the use of the DROP veryb.)
Line 537:
or some other external action),
but this isn't specified in the language.
<br>A <tt>&nbsp; DROP'''drop''' </tt>&nbsp; (a REXX verb) will mark a variable
as not defined, but doesn't necessarily deallocate its storage, but the freed
storage can be used by anotherother variablevariables within the program (or procedure).
<br>Essentially, the method used by a particular REXX interpreter isn't
of concern to a programmer as there is but one type of variable
Line 547:
<br>Some REXX interpreters have built-in functions to query how much free
memory is available (these were written when real storage was a premium
during the early DOS days).<br>
<lang rexx>/*REXX doesn't have declarations/allocations of variables, */
/* but this is the closest to an allocation: */