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Re^4: use feature 'postderef'; # Postfix Dereference Syntax is coming in 5.20

by ysth (Canon)
on Dec 03, 2013 at 04:40 UTC ( #1065369=note: print w/ replies, xml ) Need Help??


in reply to Re^3: use feature 'postderef'; # Postfix Dereference Syntax is coming in 5.20
in thread use feature 'postderef'; # Postfix Dereference Syntax is coming in 5.20

You were somehow expecting an answer to your "Why?" that didn't involve opinion?

--
A math joke: r = | |csc(θ)|+|sec(θ)| |-| |csc(θ)|-|sec(θ)| |


Comment on Re^4: use feature 'postderef'; # Postfix Dereference Syntax is coming in 5.20
Re^5: use feature 'postderef'; # Postfix Dereference Syntax is coming in 5.20
by BrowserUk (Pope) on Dec 03, 2013 at 05:03 UTC
    You were somehow expecting an answer to your "Why?" that didn't involve opinion?

    No. I was expecting a justifiction to back up the opinion expressed. You gave none.

    Start with: <lvalue(s)> = @{ <some reference expression> };

    I contend that:

    • One thing you want to know is: "Where are the value(s) being assigned coming from?":

      And the above expression it is easy to see that: "it's getting the values by dereferencing and array ref".

    • Only then do you think about: "Where is it getting the array ref from?"

      Which you get by examining the (simple or complex) expression contained.

    This new syntax: <lvalue(s)> = <some reference expression>->@*; forces you to skip to the end to work out what is going on.

    That's an opinion backed by reason.


    With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
    Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
    "Science is about questioning the status quo. Questioning authority".
    In the absence of evidence, opinion is indistinguishable from prejudice.
      Who said anything about =?
      --
      A math joke: r = | |csc(θ)|+|sec(θ)| |-| |csc(θ)|-|sec(θ)| |

        Um. I did!


        With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
        Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
        "Science is about questioning the status quo. Questioning authority".
        In the absence of evidence, opinion is indistinguishable from prejudice.

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