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6OJUZ$ೖ໳ _จ๏ฤ_ 6OJUZษڧձ !NBUUBL

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ࠓ೔ͷϝχϡʔʂ

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(FOFSJDT MBNCEBEFMFHBUF FWFOU FOVN FYUFOTJPO OVMMBCMF WBS ಗ໊ܕ OBNFTQBDF 1SPQFSUZ QBSUJBMUZQF ZJFME PVU -*/2 $จ๏

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$จ๏ฤ

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(FOFSJDT

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List list = new List(); HFOFSJDT ૯শܕ ͕͋Δͱ͜͏ॻ͚Δ

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ͳͥ૯শܕ͕͋Δͷ͔ʁ ૯শܕ͕ͳ͍ੈքΛߟ͑Δ List list = new List(); List list = new List(); ͭ·Γ͢΂ͯͷཁૉ͕PCKFDUܕͰอଘ͞ΕΔ

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ͳͥ૯শܕ͕͋Δͷ͔ʁ int id = (int)list[0];
 string name = (string)list[0]; PCKFDUܕΛDBTUͯ͠औΓग़͢ඞཁ͕͋Δ int id = intList[0]; ܕ͕ܾ·͍ͬͯΕ͹ɺΩϟετෆཁͰ҆શʹॻ͚Δ IntList intList = new IntList();

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IntList, StringList, HogeList, … Ͱ΋ܕ͝ͱʹΫϥεΛఆٛͨ͘͠ͳ͍ ͳͥ૯শܕ͕͋Δͷ͔ʁ List => List, List, … ͦ͜Ͱ۩ମతͳܕΛ໌ࣔͤͣϩδοΫ͕͔͚Δͱ ൚༻ੑ͕͔͍ͨɹ ͜ΕΛ࣮ݱ͢ΔͨΊɺந৅తͳܕهड़͕Ͱ͖Δ (FOFSJDT1SPHSBNNJOH

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ͦͷଞಛ௃ $Ͱ͸૯শܕʹࡉ੍͔͍໿Λ͚ͭΒΕΔ 50%0XIFSFͷઆ໌ॻ͘ https://ja.wikipedia.org/wiki/C_Sharp#.E3.82.B8.E3.82.A7.E3.83.8D.E3.83.AA.E3.82.AF.E3.82.B9 $ͷ(FOFSJDT͸$ͷςϯϓϨʔτ΍+BWBͱ΋ҟͳΔ ࣮ߦ࣌ʹಛघԽ͞ΕΔ

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MBNCEB EFMFHBUF

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$Ͱ͸ؔ਺ͷܕએݴ͕Ͱ͖Δ delegate void Hello(string name); Ҿ਺ͱฦΓ஋͕ಉ͡Ͱ͋Ε͹ɺಉؔ͡਺ܕͱΈͳ͞ΕΔ

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͍ΖΜͳؔ਺࣮૷͕ग़དྷΔ public class Person
 {
 void SayHello(string name)
 {
 Debug.Log("Hello, " + name);
 } void Start()
 { Hello hello = SayHello; }
 } )FMMPܕͷؔ਺

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Hello hello = (string name) =>
 {
 Debug.Log("Hello, " + name);
 };
 Hello hello = delegate(string name)
 {
 Debug.Log("Hello, " + name);
 };
 ແ໊EFMFHBUF ແ໊EFMFHBUF লུ

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ແ໊EFMFHBUF ߋʹলུ Hello hello = (name) =>
 {
 Debug.Log("Hello, " + name);
 }; ແ໊EFMFHBUF ߋʹߋʹলུ Hello hello = name => Debug.Log("Hello, " + name);

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hello("John"); ݺͼग़͢ͱ͖͸͢΂ͯ

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FWFOU

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LFZXPSEͰFWFOU͕༧໿͞Ε͍ͯΔ ͋ΔEFMFHBUFܕΛFWFOUͱͯ͠એݴ͢Δ͜ͱ͕Ͱ͖Δ FWFOUʹ͸ෳ਺ͷؔ਺͕ొ࿥Ͱ͖Δ ొ࿥ղআ΋ग़དྷΔ event Hello hellos; hellos += SayHello;
 hellos += (name) => Debug.Log("Hello, " + name); 
 hellos -= SayHello;

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ొ࿥͞Εͨؔ਺ΛҰؾʹݺͼग़͢͜ͱ͕Ͱ͖Δ hellos("John");

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FOVN

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public enum Animal
 {
 Monkey,
 Lion,
 Cat,
 Dog
 } ஋ͷྻڍ͕Ͱ͖Δ

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public enum Animal : int
 {
 Monkey = 0,
 Lion,
 Cat,
 Dog
 } FOVN஋ʹରͯ͠਺஋Λඥ෇͚ΒΕΔ จࣈྻΛͻ΋෇͚ͨΓɺ ෳ਺ͷ৘ใΛͻ΋෇͚ͨΓ͸Ͱ͖ͳ͍

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FOVN஋ͷҰཡΛͱΔ &OVN(FU7BMVFT UZQFPG "OJNBM FOVN਺஋ʹม׵ int number = (int)Animal.Cat; ਺஋FOVNʹม׵ Animal cat = (Animal)number;

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FYUFOTJPO

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public static class StringExtension
 {
 public static string MyUpperCase(this string str)
 {
 return str.ToUpper();
 }
 }
 TUBUJDDMBTTΛએݴ Ϋϥε໊͸ԿͰ΋ TUBUJDNFUIPEΛએݴ ୈҰҾ਺ʹ֦ு͍ͨ͠ܕͱUIJTΛ͚ͭΔ

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string lower = “hello"; lower.MyUpperCase(); طଘͷΫϥεͰ΋ϝιουΛ௥Ճ͍͚ͯ͠Δ

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OVMMBCMF

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int? hoge = null;
 bool? fuga = null; QSJNJUJWFܕʹ͔͔ͭ͑͠ͳ͍ ܕͷલʹ Λ͚ͭΔ͜ͱͰOVMM͕୅ೖՄೳʹͳΔ FMWJTPQFSBUPS΋ػೳͱͯ͠ೖͬͯΔ int result = hoge ?? 1; OVMMͩͬͨΒӈͷϦςϥϧ Λબ୒

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$͔ΒA A΋ಋೖ͞ΕΔͬΆ͍ http://stackoverflow.com/questions/4244225/c-sharp-if-null-then-null-expression

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WBS

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ܕਪ࿦͕ར༻Ͱ͖Δ$ͷBVUPʹ૬౰͢Δػೳ var hoge = "string";
 var fuga = 1; ͍͍ͪͪܕΛࠨลͰࢦఆ͠ͳͯ͘΋ਪ࿦ͯ͘͠ΕΔ

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ಗ໊ܕ

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ܕΛએݴͤͣɺϑΟʔϧυ஋ʹ҆શʹΞΫηεͰ͖Δ var rem = new { Name = "Rem", Age = 17 };
 var ram = new { Name = "Ram", Age = 17 }; Assert.AreEqual(rem.GetType(), ram.GetType()); 'JFME໊͕ҰॹͳΒܕ΋ಉ͡ Debug.Log("Hello, " + rem.Name);

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OBNFTQBDF

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OBNFTQBDFΛઃఆ͢Δ͜ͱͰ Ϋϥε໊ͷিಥΛආ͚ΒΕΔ namespace My
 {
 public class Sample
 {
 }
 }
 
 namespace Other
 {
 public class Sample
 {
 }
 }

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ଞͷOBNFTQBDFͷΫϥεʹΞΫηε͢Δʹ͸ var sample = new My.Sample(); QSFpYͰOBNFTQBDFΛ͚ͭΔ͔ VTJOHΛ࢖ͬͯར༻͢ΔએݴΛ͢Δ using My;

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1SPQFSUZ

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public class Person
 {
 private string _name = string.Empty;
 
 public string Name
 {
 get { return _name; }
 set { _name = value; }
 }
 }
 ܕએݴͷޙʹAHFUAATFUAͱ͍͏༧໿ޠΛ࢖ͬͯ HFUUFSTFUUFSͷΞΫηε੍ޚ͕Ͱ͖Δ

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public class Person
 {
 private string _name = string.Empty;
 
 public string Name
 {
 get { return _name; }
 private set { _name = value; }
 }
 }
 TFUUFSΛQSJWBUFʹͯ͠ॻ͖ࠐΊͳͨ͘͠Γɺ HFUTFU͢Δͱ͖ʹԿ͔ॲཧΛهड़ͨ͠Γग़དྷΔ

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public class Person
 {
 public string Name { get; private set; }
 } ୯ʹHFUTFU͢Δ͚ͩͳΒলུه๏͕ར༻Ͱ͖Δ HFUUFSTFUUFS͕ఆٛͰ͖Δ͜ͱͰ,70͕ग़དྷΔͷ͕ 1SPQFSUZͷಛ௃

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1BSUJBM

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// Partial Class
 public partial class SamplePartial : MonoBehaviour
 {
 void Start()
 {
 }
 }
 
 public partial class SamplePartial : MonoBehaviour
 {
 void Update()
 {
 }
 }
 AQBSUJBMAΛ͚ͭΔ͜ͱͰ࣮૷ϑΝΠϧ෼཭͕Ͱ͖Δ

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ZJFME

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foreach (int i in ListupNumbers())
 {
 Debug.Log("number: " + i);
 } IEnumerable ListupNumbers()
 {
 yield return 0;
 yield return 1;
 yield return 2;
 } -JTUͱ͔"SSBSZΛOFX͠ͳͯ͘΋ ͜Μͳײ͡ͰZJFMESFUVSOͯ͋͛͠Δͱ ̍ͭͮͭཁૉΛऔಘ͢ΔΑ͏ͳ࢓૊Έ͕؆୯ʹ͔͚Δ

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Կ͕ϝϦοτ͔ʁ ཁૉશମΛ֨ೲ͢ΔϝϞϦ͕ඞཁͳ͍ ܁Γฦ͠ཁૉΛऔಘ͢ΔΑ͏ͳॲཧ͕εοΩϦॻ͚Δ

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ͲͷΑ͏ʹ࣮ߦ͞ΕΔʁ using (IEnumerator it = ListupNumbers().GetEnumerator())
 {
 while (it.MoveNext())
 {
 Debug.Log("number: " + it.Current);
 }
 } .PWF/FYU Ͱ͖Δ͔͗ΓJUFSBUJPO͕·ΘΔ

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JUFSBUJPOΛதஅ͢Δʹ͸ʁ IEnumerable ListupNumbers()
 {
 yield return 0;
 yield return 1;
 yield break;
 yield return 2; // ignored
 } ZJFMECSFBL͢Ε͹͍͍

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6OJUZͷ$PSPVUJOFͱͷରԠ public class Sample : MonoBehaviour
 {
 void Start()
 {
 StartCoroutine(ListupNumbers());
 StartCoroutine(ListupNumbers());
 }
 
 void Update()
 {
 Debug.Log("Updated");
 }
 
 IEnumerator ListupNumbers()
 {
 for (int i = 0; i < 5; i++)
 {
 Debug.Log(i.ToString());
 yield return i;
 }
 }
 }

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ॳΊ͚ͩ VQEBUF͕౓ݺ͹ΕΔ ͷ͸λΠϛϯάͷ໰୊ ຖϑϨʔϜ͝ͱʹ A.PWF/FYU A͞ΕͯΔ

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PVU

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void Increment(out int v)
 {
 v = v + 1;
 } void Set(out int v)
 {
 v = 1;
 } int i = 0;
 Set(out i); PVUΛ͔ͭ͏ͱࢀরΛ౉ͯ͠ม਺΁ͷॻ͖ࠐΈ͕Ͱ͖Δ ͨͩ͠PVU͕͍ͭͨม਺ͷ஋͸औಘͰ͖ͳ͍ ࢖͍ํ ӈลͰWΛར༻ͯ͠ΔͷͰμϝ

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-*/2

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IUUQXXXTMJEFTIBSFOFUGVNJUBLBZBNBEBDMJOR