Add Float16Array which is supported in this version of v8

Author: karlseguin

src/binding.cpp

@@ -206,14 +206,14 @@ const v8::Int32Array* v8__Int32Array__New(
     );
 }
 
-// const v8::Float16Array* v8__Float16Array__New(
-//         const v8::ArrayBuffer& buf,
-//         size_t byte_offset,
-//         size_t length) {
-//     return local_to_ptr(
-//         v8::Float16Array::New(ptr_to_local(&buf), byte_offset, length)
-//     );
-// }
+const v8::Float16Array* v8__Float16Array__New(
+        const v8::ArrayBuffer& buf,
+        size_t byte_offset,
+        size_t length) {
+    return local_to_ptr(
+        v8::Float16Array::New(ptr_to_local(&buf), byte_offset, length)
+    );
+}
 
 const v8::Float32Array* v8__Float32Array__New(
         const v8::ArrayBuffer& buf,

src/binding.h

@@ -36,7 +36,7 @@ typedef Value Uint32Array;
 typedef Value Int32Array;
 typedef Value BigUint64Array;
 typedef Value BigInt64Array;
-// typedef Value Float16Array;
+typedef Value Float16Array;
 typedef Value Float32Array;
 typedef Value Float64Array;
 typedef Value ArrayBufferView;
@@ -166,10 +166,10 @@ const Int32Array* v8__Int32Array__New(
     size_t byte_offset,
     size_t length);
 
-// const Float16Array* v8__Float16Array__New(
-//     const ArrayBuffer* buf,
-//     size_t byte_offset,
-//     size_t length);
+const Float16Array* v8__Float16Array__New(
+    const ArrayBuffer* buf,
+    size_t byte_offset,
+    size_t length);
 
 const Float32Array* v8__Float32Array__New(
     const ArrayBuffer* buf,