Please explain what you think the difference is between a Perl array and a Perl List.Arrays are variables, lists are values. It's the same difference as between $foo and 3.
I think this just some kind of nomenclature difference.. Not any real disagreement!Differences in nomenclature are not something to trivialize - specially not when it's about important concepts.
A simple Perl list is similar to a C char ** array (array of pointers of pointers to strings)No, it's not. First of all, a char is not a string, but a (small) integer. Depending on usage, a C char is equivalent to a Perl integer, or a Perl string consisting of exactly one character. Secondly, in C, array elements all have the same size - all elements are integers, characters or pointers for instance. (Pointers in your example). In Perl, values of a list can have different "sizes" - or rather, different types (mixed integers, references, objects, strings, etc) - as the "size" of a value isn't a useful concept in Perl (it is in perl, but not in Perl). Third, and this is the big one, elements of an array may change (both in C and in Perl). But in Perl, lists are unmutable (of course they can be changed by perl, or by using XS - but not from a Perl POV). They are as unmutable as the value 3.
In reply to Re^4: Perl vs C
by JavaFan
in thread Perl vs C
by santhosh_89
| For: | Use: | ||
| & | & | ||
| < | < | ||
| > | > | ||
| [ | [ | ||
| ] | ] |