Updated chapter_2.yaml, adding Destructuring lessons followin match

[shefancodeman]

I have added some new lessons after match, since match mentioned Destructuring and it mentioned it's importance. So I added the 4 cases in which destructuring is used after match.

[alexandruradovici]

Te rog adauga pentru tot ce se poate si pune si exemple.

[shefancodeman]

Te rog adauga pentru tot ce se poate si pune si exemple.

Am dat commit cu schimbarile cerute

[alexandruradovici]

Te rog foloseste link-ul embedd code in loc de share link.

Astfel codul va fi pastrat in fisierul din repository si nu va depinde de baza de date a Rust Playground.

De exemplu:

https://play.rust-lang.org/?version=beta&mode=debug&edition=2015&code=fn+main%28%29+%7B%0A++++struct+Foo+%7B%0A++++++++x%3A+u32%2C%0A++++++++y%3A+String%2C%0A++++%7D%0A%0A++++%2F%2F+Try+changing+the+values+in+the+struct+to+see+what+happens%0A++++let+foo+%3D+Foo+%7B%0A++++++++x%3A+20%2C%0A++++++++y%3A+String%3A%3Afrom%28%22Foo%22%29%2C%0A++++%7D%3B%0A%0A++++match+foo+%7B%0A++++++++%2F%2F+you+can+rename+and+reorder+the+variables%2C%0A++++++++Foo+%7B+y%3A+temp%2C+x%3A+2+%7D+%3D%3E+%7B%0A++++++++++++println%21%28%22The+number+is+2%2C+and+the+String+is+%7B%7D.%22%2C+temp%29%3B%0A++++++++%7D%0A%0A++++++++%2F%2For+you+can+only+account+for+the+variable+you+are+interested+in%0A++++++++Foo+%7B+y%2C+..+%7D+%3D%3E+%7B%0A++++++++++++println%21%28%22Whatever+the+number+is%2C+the+name+is+%7B%7D.%22%2C+y%29%3B%0A++++++++%7D%0A++++++++%2F%2Fwe+do+not+need+the+default+case%2C+since+the+arm+above+works+for+any+y%0A++++%7D%0A%0A++++%2F%2Fas+mentioned%2C+you+can+destructure+the+struct+without+a+match+block%0A++++let+clone+%3D+Foo+%7B%0A++++++++x%3A+25%2C%0A++++++++y%3A+String%3A%3Afrom%28%22Clone%22%29%2C%0A++++%7D%3B%0A++++let+Foo+%7B+x%3A+temp1%2C+y%3A+temp2+%7D+%3D+clone%3B%0A++++println%21%28%22Number+is+%7Btemp1%7D%2C+and+the+String+is+%7Btemp2%7D.%22%29%3B%0A%7D%0A

[alexandruradovici]

Send this to upstream and put a link to it here.

[alexandruradovici]

Make sure you describe your pull request in English.

[shefancodeman]

richardanaya#499

[alexandruradovici]

Si cum te numesti?

[shefancodeman]

Lucan Stefan 322 CD. O sa fac si versiunea in romana dupa examenul de maine (daca mai puteti puncta dupa).

[alexandruradovici]

Te rog sa o faci.