Initial data commit

Task/Filter/Dyalect/filter-1.dyalect

@@ -0,0 +1,10 @@
+func Array.Filter(pred) {
+    var arr = []
+    for x in this when pred(x) {
+        arr.Add(x)
+    }
+    arr
+}
+
+var arr = [1..20].Filter(x => x % 2 == 0)
+print(arr)

Task/Filter/Dyalect/filter-2.dyalect

@@ -0,0 +1,13 @@
+func Array.Filter(pred) {
+    var i = 0
+    while i < this.Length() {
+        if !pred(this[i]) {
+            this.RemoveAt(i)
+        }
+        i += 1
+    }
+}
+
+var arr = [1..20]
+arr.Filter(x => x % 2 == 0)
+print(arr)

Task/Filter/Dyalect/filter-3.dyalect

@@ -0,0 +1,3 @@
+var xs = [1..20]
+var arr = xs.Iterate().Filter(x => x % 2 == 0).Map(x => x.ToString())
+print(arr.ToArray())