| Цитата(k0rvin @ 26.11.2010, 13:27) | | Цитата(A5uKa @ 26.11.2010, 09:06) | Если рассматривать языки, то 100% Nemerle. У скалы против Nemerle шансов вообще нет. 
JVM под Windows не нужна. |
а обосновать? |
.net vs jvm - долго можно спорить, но всё же ... NET как-то удобнее и мне кажется, что быстрее.
А про сравнение языков ... ну у немерле и макросы и он более гибкий и правильный что-ли )
вот из одного из блогов...
Scala
| Код |
1. // Scala Basics
2. import java.util.Calendar
3.
4. // Constructor
5. class Greet(message:String, name:String, loopMessage:Int) {
6. // Fields or Attributes
7. private var _message:String = { message }
8. private var _name:String = { name }
9. private var _loopMessage:Int = { loopMessage }
10. //Properties
11. def Message = _message
12. def Message_= (value:String):Unit = _message = Capitalize(value)
13. def Name = _name
14. def Name_= (value:String):Unit = _name = Capitalize(value)
15. def LoopMessage = _loopMessage
16. def LoopMessage_= (value:Int):Unit = _loopMessage = value
17. // Overloaded Constructor
18. def this() = { this("","",0) }
19. // Method 1
20. private def Capitalize(value:String):String = {
21. if (value.length >= 1)
22. value.capitalize
23. else
24. ""
25. }
26. // Method 2
27. def Salute() = {
28. // "for" statement
29. for (i <- 1 to _loopMessage) {
30. println(_message + " " + _name + "!")
31. }
32. }
33. // Overloaded Method 2.1
34. def Salute(message:String, name:String, loopMessage:Int) = {
35. // "while" statement
36. var i = 0
37. while (i < loopMessage) {
38. println(Capitalize(message) + " " + Capitalize(name) + "!")
39. i += 1
40. }
41. }
42. // Overloaded Method 2.2
43. def Salute(name:String) = {
44. // "switch/case" statement is not supported
45. // using match statement instead
46. def dtNow = Calendar.getInstance()
47. val t = dtNow.get(Calendar.HOUR_OF_DAY)
48. t match {
49. case 6|7|8|9|10|11 => _message = "good morning,"
50. case 12|13|14|15|16|17 => _message = "good afternoon,"
51. case 18|19|20|21|22 => _message = "good evening,"
52. case 23|0|1|2|3|4|5 => _message = "good night,"
53. case _ => _message = "huh?"
54. }
55. println(Capitalize(_message) + " " + Capitalize(name) + "!")
56. }
57. }
58.
59. // Console Program
60. // Define object of type Greet and Instantiate Greet. Call Constructor
61. val g = new Greet()
62. // Call Set Properties
63. g.Message = "hello"
64. g.Name = "world"
65. g.LoopMessage = 5
66. // Call Method 2
67. g.Salute
68. // Call Overloaded Method 2.1 and Get Properties
69. g.Salute(g.Message, "scala", g.LoopMessage)
70. // Call Overloaded Method 2.2
71. g.Salute("carlos")
|
Nemerle
| Код |
1. #pragma indent
2.
3. using System.Console;
4.
5. [Record]class Greet
11. public Message : string
17. public Name : string
23. public LoopMessage : int
28.
29. public this()
30. message = ""
31. name = ""
32. loopMessage = 0
38.
39. private Capitalize(val : string): string
40. if (val.Length >= 1)
41. val[0].ToString().ToUpper() + val.Substring(1, val.Length - 1)
42. else
43. ""
44.
45. public Salute() : void
46. for (mutable i = 0; i < loopMessage; i++)
47. WriteLine("$message, $name");
48.
49. public Salute(message : string, name : string, loopMessage : int) : void
50. mutable i = 0
51. while(i < loopMessage)
52. { WriteLine("{0} {1}!", Capitalize(message), Capitalize(name)); i++; }
54.
55. public Salute(name : string) : void
57. message = match (System.DateTime.Now.Hour)
58. | 6|7|8|9|10|11 => "good morning,"
59. | x when 12 <= x && x <= 17 => "good afternoon," // just for example
60. | 18|19|20|21|22 => "good evening,";
61. | 23|0|1|2|3|4|5 => "good night,"
62. | _ => "huh?"
63.
64. WriteLine("$(Capitalize(message)), $(Capitalize(name))");
65.
66. mutable g = Greet()
67.
68. g.Message = "hello"
69. g.Name = "world"
70. g.LoopMessage = 5
71.
72. g.Salute()
73. g.Salute(g.Message, "nemerle", g.LoopMessage)
74. g.Salute("carlos")
75.
76. // Stop and Exit
77. WriteLine("Press any key to exit...");
78. _ = Read();
|
Ну ты понял ...
Добавлено через 1 минуту и 22 секунды
Scala - ниочём |
