From 0bc16a6c9d879a9f13dcb6b075193ffefb16d1c1 Mon Sep 17 00:00:00 2001
From: songyouwei <youwei0314@gmail.com>
Date: Mon, 6 Jan 2020 14:27:14 +0800
Subject: [PATCH] add LayerList doc (#1690)

test=develop
---
 doc/fluid/api_cn/dygraph_cn.rst              |  1 +
 doc/fluid/api_cn/dygraph_cn/LayerList_cn.rst | 33 ++++++++++++++++++++
 2 files changed, 34 insertions(+)
 create mode 100644 doc/fluid/api_cn/dygraph_cn/LayerList_cn.rst

diff --git a/doc/fluid/api_cn/dygraph_cn.rst b/doc/fluid/api_cn/dygraph_cn.rst
index ffb9dcb7d..23b6e1357 100644
--- a/doc/fluid/api_cn/dygraph_cn.rst
+++ b/doc/fluid/api_cn/dygraph_cn.rst
@@ -24,6 +24,7 @@ fluid.dygraph
     dygraph_cn/guard_cn.rst
     dygraph_cn/InverseTimeDecay_cn.rst
     dygraph_cn/Layer_cn.rst
+    dygraph_cn/LayerList_cn.rst
     dygraph_cn/LayerNorm_cn.rst
     dygraph_cn/Linear_cn.rst
     dygraph_cn/load_dygraph_cn.rst
diff --git a/doc/fluid/api_cn/dygraph_cn/LayerList_cn.rst b/doc/fluid/api_cn/dygraph_cn/LayerList_cn.rst
new file mode 100644
index 000000000..7186e7df7
--- /dev/null
+++ b/doc/fluid/api_cn/dygraph_cn/LayerList_cn.rst
@@ -0,0 +1,33 @@
+.. _cn_api_fluid_dygraph_LayerList:
+
+LayerList
+-------------------------------
+
+.. py:class:: paddle.fluid.dygraph.LayerList(sublayers=None)
+
+LayerList用于保存子层列表，它包含的子层将被正确地注册和添加。列表中的子层可以像常规python列表一样被索引。
+
+参数：
+    - **sublayers** (iterable，可选) - 要保存的子层。
+
+返回：无
+
+**代码示例**
+
+.. code-block:: python
+
+    import paddle.fluid as fluid
+    import numpy as np
+
+    class MyLayer(fluid.Layer):
+        def __init__(self):
+            super(MyLayer, self).__init__()
+            self.linears = fluid.dygraph.LayerList(
+                [fluid.dygraph.Linear(10, 10) for i in range(10)])
+        def forward(self, x):
+            # LayerList可以像iterable一样迭代，也可以使用int索引
+            for i, l in enumerate(self.linears):
+                x = self.linears[i // 2](x) + l(x)
+            return x
+
+
-- 
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