🚀 go-pugleaf

b91926@fsgi01.fnal.gov (David Sachs) writes:

>Should delete or delete[] be used for a pointer to an array type?

`delete[]' should be used.

See 5.3.5[expr.delete]/2, which says (amoung other things)
that the syntax of the delete expression must match the *type* of
the corresponding new expression, not its *syntax*.

>// It is assumed that some_type is an existing type
>typedef some_type array_type[10];
>
>array_type* a1 = new array_type[5];
>array_type* b1 = new some_type[5][10];
>array_type* a2 = new array_type;
>array_type* b2 = new some_type[10];
>...
>delete[] a1;
>delete[] b1;
>delete   a2; // or should it be delete[] a2;

Yes, it should be `delete[] a2;'.

>delete[] b2; // or should it be delete   b2;

Nope, that one is correct.

--
Fergus Henderson             	WWW: http://www.cs.mu.oz.au/~fjh
fjh@cs.mu.oz.au              	PGP: finger fjh@128.250.37.3
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