wasSharp – Diff between revs 47 and 49

Subversion Repositories:
Rev:
Show entire file – Ignore whitespace
Rev 47 Rev 49
Line 64... Line 64...
64   64  
65 /////////////////////////////////////////////////////////////////////////// 65 ///////////////////////////////////////////////////////////////////////////
66 // Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 // 66 // Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 //
67 /////////////////////////////////////////////////////////////////////////// 67 ///////////////////////////////////////////////////////////////////////////
-   68 /// <summary>
-   69 /// A functional implementation of a switch clause.
-   70 /// </summary>
-   71 /// <typeparam name="T">the type of the item to query</typeparam>
-   72 /// <param name="query">the selector query</param>
-   73 /// <param name="default">the function to execute when no case matches</param>
-   74 /// <param name="case">a list of predicates representing the switch cases,
-   75 /// where each predicate has to return True or False indicating whether
-   76 /// fallthrough should occur.
-   77 /// </param>
-   78 /// <remarks>when used, the default action must be explicitly specified
-   79 /// due to language restrictions
-   80 /// </remarks>
-   81 public static void Switch<T>(this T query,
-   82 // default
-   83 Action<T> @default,
-   84 // case
-   85 // case
-   86 // ...
-   87 params Predicate<T>[] @case)
-   88 {
-   89 if (@case.Length % 2 != 0)
-   90 throw new ArgumentException("Pairs of predicates expected.");
-   91  
-   92 var match = false;
-   93 for (var i = 0; i < @case.Length; i += 2)
-   94 {
-   95 if (!@case[i].Invoke(query))
-   96 continue;
-   97  
-   98 if (@case[i + 1].Invoke(query))
-   99 return;
-   100  
-   101 match = true;
-   102 }
-   103  
-   104 if (!match)
-   105 @default.Invoke(query);
-   106  
-   107 }
-   108  
-   109 ///////////////////////////////////////////////////////////////////////////
-   110 // Copyright (C) 2017 Wizardry and Steamworks - License: GNU GPLv3 //
-   111 ///////////////////////////////////////////////////////////////////////////
68 /// <summary> 112 /// <summary>
69 /// Invokes pf in case the predicate p resolves or qf in case the predicate q resolves, or ef otherwise. 113 /// Invokes pf in case the predicate p resolves or qf in case the predicate q resolves, or ef otherwise.
70 /// </summary> 114 /// </summary>
71 /// <typeparam name="T">the type of items in the query</typeparam> 115 /// <typeparam name="T">the type of items in the query</typeparam>
72 /// <param name="query">the selector query</param> 116 /// <param name="query">the selector query</param>