Add collections documentation

Author: aNNiMON

docs/src/docgen-md.own

@@ -7,6 +7,7 @@ OUTPUT_PATH_FMT = OUTPUT_DIR_FMT + "/%s.md"
 LANGS = ["en", "ru"]
 MODULES = [
   "std",
+  "collections",
   "date",
   "downloader",
   "files",

docs/src/modules/collections.yml

@@ -0,0 +1,26 @@
+name: collections
+scope: both
+desc: Contains functions for working with collections
+desc_ru: Содержит функции для работы с коллекциями
+since: 2.0.0
+functions:
+  - name: hashMap
+    args: "fromMap = {}"
+    desc: creates a new HashMap based on `fromMap` values
+    desc_ru: создаёт новый HashMap из значений `fromMap`
+  - name: linkedHashMap
+    args: "fromMap = {}"
+    desc: creates a new LinkedHashMap based on `fromMap` values
+    desc_ru: создаёт новый LinkedHashMap из значений `fromMap`
+  - name: concurrentHashMap
+    args: "fromMap = {}"
+    desc: creates a new ConcurrentHashMap based on `fromMap` values
+    desc_ru: создаёт новый ConcurrentHashMap из значений `fromMap`
+  - name: treeMap
+    args: "fromMap = {}, comparator = def(a, b) = 0"
+    desc: creates a new TreeMap based on `fromMap` values and `comparator`
+    desc_ru: создаёт новый TreeMap из значений `fromMap` и компаратора `comparator`
+  - name: concurrentSkipListMap
+    args: "fromMap = {}, comparator = def(a, b) = 0"
+    desc: creates a new ConcurrentSkipListMap based on `fromMap` values and `comparator`
+    desc_ru: создаёт новый ConcurrentSkipListMap из значений `fromMap` и компаратора `comparator`

modules/main/src/main/java/com/annimon/ownlang/modules/collections/collections.java

@@ -53,24 +53,14 @@ private Function sortedMapFunction(final Supplier<SortedMap<Value, Value>> mapSu
                 case 0: // treeMap()
                     map = mapSupplier.get();
                     break;
-                case 1: // treeMap(map) || treeMap(comparator)
-                    if (args[0].type() == Types.MAP) {
-                        map = mapSupplier.get();
-                        map.putAll(((MapValue) args[0]).getMap());
-                    } else if (args[0].type() == Types.FUNCTION) {
-                        final Function comparator = ValueUtils.consumeFunction(args[0], 0);
-                        map = comparatorToMapFunction.apply((o1, o2) -> comparator.execute(o1, o2).asInt());
-                    } else {
-                        throw new TypeException("Map or comparator function expected in first argument");
-                    }
+                case 1: // treeMap(map)
+                    map = mapSupplier.get();
+                    map.putAll(ValueUtils.consumeMap(args[0], 0).getMap());
                     break;
                 case 2: // treeMap(map, comparator)
-                    if (args[0].type() != Types.MAP) {
-                        throw new TypeException("Map expected in first argument");
-                    }
                     final Function comparator = ValueUtils.consumeFunction(args[1], 1);
                     map = comparatorToMapFunction.apply((o1, o2) -> comparator.execute(o1, o2).asInt());
-                    map.putAll(((MapValue) args[0]).getMap());
+                    map.putAll(ValueUtils.consumeMap(args[0], 0).getMap());
                     break;
                 default:
                     throw new IllegalStateException();