Вложенные лямбды

Author: RomanSaushkin

TestSuite/nested_lambdas_1.pas

@@ -0,0 +1,18 @@
+procedure p(f: Func<string, IEnumerable<string>>);
+begin
+
+end;
+
+procedure p(f: Func<integer, IEnumerable<integer>>);
+begin
+  var res := f(3).ToList();
+  assert(res.Count = 4);
+  assert(res[0] = 0);
+  assert(res[1] = 1);
+  assert(res[2] = 4);
+  assert(res[3] = 9);
+end;
+
+begin
+   p(x -> Range(0, x).Select(y -> y * y));
+end.

TestSuite/nested_lambdas_2.pas

@@ -0,0 +1,14 @@
+procedure p(f: Func<integer, IEnumerable<integer>>);
+begin
+  var res := f(5).ToList();
+  assert(res.Count = 5);
+  assert(res[0] = 2);
+  assert(res[1] = 3);
+  assert(res[2] = 4);
+  assert(res[3] = 5);
+  assert(res[4] = 6);
+end;
+
+begin
+  p(x -> Seq(1,2,3,4,5).Select(y -> Range(0, y).Select(z -> z).Count()));
+end.

TestSuite/nested_lambdas_3.pas

@@ -0,0 +1,27 @@
+type cl = class
+  public 
+  procedure p(f: Func<string, IEnumerable<string>>);
+  begin
+  
+  end;
+  
+  procedure p(f: Func<integer, IEnumerable<integer>>);
+  begin
+    var res := f(3).ToList();
+    assert(res.Count = 4);
+    assert(res[0] = 0);
+    assert(res[1] = 1);
+    assert(res[2] = 4);
+    assert(res[3] = 9);
+  end;
+  
+  procedure tt();
+  begin
+   p(x -> Range(0, x).Select(y -> y * y));
+  end;
+end;
+
+begin
+   (new cl()).p(x -> Range(0, x).Select(y -> y * y));
+   (new cl()).tt();
+end.

TestSuite/nested_lambdas_4.pas

@@ -0,0 +1,22 @@
+type cl = class
+  public 
+  constructor(f: Func<string, IEnumerable<string>>);
+  begin
+  
+  end;
+  
+  constructor (f: Func<integer, IEnumerable<integer>>);
+  begin
+    var res := f(3).ToList();
+    assert(res.Count = 4);
+    assert(res[0] = 0);
+    assert(res[1] = 1);
+    assert(res[2] = 4);
+    assert(res[3] = 9);
+  end;
+  
+end;
+
+begin
+   new cl(x -> Range(0, x).Select(y -> y * y));
+end.

TestSuite/nested_lambdas_5.pas

@@ -0,0 +1,12 @@
+begin
+  var a := 3;
+  var ttt := Seq(1,2).Select(x -> begin 
+                                   var t := 5; 
+                                   result := Range(1,a+x).Select(y -> begin
+                                                                        var g := 5;
+                                                                        t += 5;
+                                                                        result := Range(1,2).Where(f -> f + a > 0).Select(z -> z + g + t);
+                                                                      end)
+                                  end).ToList();                             
+  assert(ttt[0].ToList()[0].ToList()[0] = 31);
+end.

TestSuite/nested_lambdas_6.pas

@@ -0,0 +1,20 @@
+type cl = class
+  private gg := 9;
+  public
+    procedure h(k: integer);
+    begin
+      var a := 5;
+      Seq(1,2,3).Select(x -> begin 
+                               var t := 5; 
+                               result := Range(1,a).Select(y -> begin
+                                                                  var g := 5;
+                                                                  writeln(a);
+                                                                  result := Range(1,3).Where(f -> f + a > 0).Select(z -> z + g + t);
+                                                                end)
+                             end);
+   end;
+end;
+
+begin
+  (new cl).h(6);
+end.

TestSuite/nested_lambdas_7.pas

@@ -0,0 +1,20 @@
+type cl = class
+  protected gg:integer  := 9;
+  public
+    function h(k: integer):string;
+    begin
+      var a := 5;
+      foreach var tt in Seq(1,2,3) do
+      begin
+        var d := Seq(1,2,3).Select(x -> begin 
+                                          var e := 65;
+                                         result := e + x + tt + self.gg + Range(1,2).Select(y -> gg + self.gg+y+a + tt).First()
+                                       end).ToList();
+        assert(d[0] = 100 + (tt * 2 - 1)); 
+      end;
+    end;
+end;
+
+begin
+  (new cl).h(5);
+end.

TestSuite/nested_lambdas_8.pas

@@ -0,0 +1,15 @@
+begin
+  var yy := 5;
+  Range(1,1).Select(x -> begin
+                           var l := x + yy; //6
+                           begin
+                              writeln(l);
+                              begin
+                                writeln(l);
+                              end;
+                           end;
+                           writeln(yy);
+                           result := Range(1, x).Select(y -> y + l + yy + Seq(1,2).Select(z -> l + yy).First())
+                         end);
+ writeln(yy);
+end.

TestSuite/nested_lambdas_9.pas

@@ -0,0 +1,13 @@
+procedure p<T>(aa: T); where T: class; 
+begin
+  var a := Seq(1,2,3).Select(x -> begin 
+                                    var tt := new List<T>(); 
+                                    writeln(aa);
+                                    tt.Add(aa); 
+                                    result := tt.Select(y -> begin result := aa; writeln(aa) end).ToList() 
+                                  end).ToList();
+end;
+
+begin
+  p('sss');
+end.