Merge: add NativeArray::length

[nit.git] / lib / standard / collection / array.nit

diff --git a/lib/standard/collection/array.nit b/lib/standard/collection/array.nit
index 22da04e..6ae145d 100644 (file)
--- a/lib/standard/collection/array.nit
+++ b/lib/standard/collection/array.nit
@@ -21,7 +21,8 @@ import abstract_collection
 abstract class AbstractArrayRead[E]
        super SequenceRead[E]
 
-       redef readable var _length: Int = 0
+       var _length: Int = 0
+       redef fun length do return _length
 
        redef fun is_empty do return _length == 0
 
@@ -361,7 +362,8 @@ private class ArrayIterator[E]
                _index = 0
        end
 
-       redef readable var _index: Int = 0
+       var _index: Int = 0
+       redef fun index do return _index
        var _array: AbstractArrayRead[E]
 end
 
@@ -428,6 +430,8 @@ class ArraySet[E: Object]
 
        # Create an empty set with a given capacity.
        init with_capacity(i: Int) do _array = new Array[E].with_capacity(i)
+
+       redef fun new_set do return new ArraySet[E]
 end
 
 # Iterators on sets implemented with arrays.
@@ -646,8 +650,14 @@ interface ArrayCapable[E]
        protected fun calloc_array(size: Int): NativeArray[E] is intern
 end
 
-# Native C array (void ...).
+# Native Nit array
+# Access are unchecked and it has a fixed size
+# Not for public use: may become private.
 universal NativeArray[E]
+       # The length of the array
+       fun length: Int is intern
+       # Use `self` to initialize a standard Nit Array.
+       fun to_a: Array[E] do return new Array[E].with_native(self, length)
        fun [](index: Int): E is intern
        fun []=(index: Int, item: E) is intern
        fun copy_to(dest: NativeArray[E], length: Int) is intern