Thread: Usages of const keyword

  1. #1
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    Jun 2006

    Usages of const keyword

    Can someone please link me to the GCC explanation of its different usages of the "const" keyword. I remember reading the page a while ago (I think it might have been from where it clearly laid out a 2-dimensional table explaining the different usages of the const keyword and what its effect was. It looked something like this:
    __________ | category 1 | category 2 |
    const char* | explanation 1 | explanation 2 |
    char const* | explanation 3 | explanation 4 |
    char *const | explanation 5 | explanation 6 |

    From what I can gather , the first denotes a pointer to a constant char (its memory contants cannot change); the second is a synonym of the first; and the third is a constant pointer (its reference cannot change to point elsewhere).
    If I could just find that page (or another equally in-depth explanation).. it was just so much more technically accurate.

    p.s. here are some other useful explanations:
    everything to the left of the star can be identified as the pointee type and everything to the right of the star are the pointer properties.
    (that was actually suprisingly, concisely helpful)
    Last edited by @nthony; 09-16-2007 at 10:55 PM.

  2. #2

  3. #3
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    Jun 2006
    that was the first thing I tried. As I said, I am not positive which site it was on, only that it was in tabular form, 2 or 3 columns, with the rows I have listed.

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