set can now accept map of properties.

docs/scarpet/api/BlocksAndWorldAccess.md

@@ -36,18 +36,19 @@ print(b); // 'stone', block was evaluated 'eagerly' but call to `block`
 All the functions below can be used with block value, queried with coord triple, or 3-long list. All `pos` in the 
 functions referenced below refer to either method of passing block position.
 
-### `set(pos, block, property?, value?, ..., block_data?)`, `set(pos, block, l(property?, value?, ...), block_data?)`
+### `set(pos, block, property?, value?, ..., block_data?)`, `set(pos, block, [property?, value?, ...], block_data?)`, `set(pos, block, {property? -> value?, ...}, block_data?)`
 
-First part of the `set` function is either a coord triple, list of three numbers, or other block with coordinates. 
-Second part, `block` is either block value as a result of `block()` function string value indicating the block name, 
-and optional `property - value` pairs for extra block properties. Optional `block_data` include the block data to 
+First argument for the `set` function is either a coord triple, list of three numbers, or a world localized block value. 
+Second argument, `block`, is either an existing block value, a result of `block()` function, or a string value indicating the block name
+with optional state and block data. It is then followed by an optional 
+`property - value` pairs for extra block state (which can also be provided in a list or a map). Optional `block_data` include the block data to 
 be set for the target block.
 
 If `block` is specified only by name, then if a 
 destination block is the same the `set` operation is skipped, otherwise is executed, for other potential extra
-properties.
+properties that the original source block may have contained.
 
-The returned value is either the block state that has been set, or `false` if block setting was skipped
+The returned value is either the block state that has been set, or `false` if block setting was skipped, or failed
 
 <pre>
 set(0,5,0,'bedrock')  => bedrock
@@ -63,11 +64,15 @@ scan(0,100,0,20,20,20,set(_,block('glass')))
 b = block('glass'); scan(0,100,0,20,20,20,set(_,b))
     // yet another option, skips all parsing
 set(x,y,z,'iron_trapdoor')  // sets bottom iron trapdoor
-set(x,y,z,'iron_trapdoor[half=top]')  // Incorrect. sets bottom iron trapdoor - no parsing of properties
-set(x,y,z,'iron_trapdoor','half','top') // correct - top trapdoor
-set(x,y,z, block('iron_trapdoor[half=top]')) // also correct, block() provides extra parsing
+
+set(x,y,z,'iron_trapdoor[half=top]')  // sets the top trapdoor
+set(x,y,z,'iron_trapdoor','half','top') // also correct - top trapdoor
+set(x,y,z,'iron_trapdoor', ['half','top']) // same
+set(x,y,z,'iron_trapdoor', {'half' -> 'top'}) // same
+set(x,y,z, block('iron_trapdoor[half=top]')) // also correct, block() provides extra parsing of block state
+
 set(x,y,z,'hopper[facing=north]{Items:[{Slot:1b,id:"minecraft:slime_ball",Count:16b}]}') // extra block data
-set(x,y,z,'hopper', l('facing', 'north'), nbt('{Items:[{Slot:1b,id:"minecraft:slime_ball",Count:16b}]}') ) // same
+set(x,y,z,'hopper', {'facing' -> 'north'}, nbt('{Items:[{Slot:1b,id:"minecraft:slime_ball",Count:16b}]}') ) // same
 </pre>
 
 ### `without_updates(expr)`

src/main/java/carpet/script/api/WorldAccess.java

@@ -777,6 +777,21 @@ public class WorldAccess {
                     }
                     args = ((ListValue) args.get(0)).getItems();
                 }
+                else if (args.get(0) instanceof MapValue)
+                {
+                    if (args.size() == 2)
+                    {
+                        Value dataValue = NBTSerializableValue.fromValue( args.get(1));
+                        if (dataValue instanceof NBTSerializableValue)
+                        {
+                            data = ((NBTSerializableValue) dataValue).getCompoundTag();
+                        }
+                    }
+                    Map<Value, Value> state = ((MapValue) args.get(0)).getMap();
+                    List<Value> mapargs = new ArrayList<>();
+                    state.forEach( (k, v) -> {mapargs.add(k); mapargs.add(v);});
+                    args = mapargs;
+                }
                 else
                 {
                     if ((args.size() & 1) == 1)