September 22, 1999 | Strong Typing | Slide #34 |
use strict 'refs'
$s = 'somestring'; $$s = 17; # Sets $somestring to 17 use strict 'refs'; $$s = 17; # Run-time error
Can't use string ("somestring") as a SCALAR ref while "strict refs" in use ...
-w
$s = 'some string'; $r = $s + 13; # Run-time warning
Argument "some string" isn't numeric in add ...
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