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authorStephan Hoyer <shoyer@google.com>2018-12-19 10:08:01 -0800
committerStephan Hoyer <shoyer@google.com>2018-12-19 10:46:40 -0800
commit45413455791c77465c5f33a5082053274eb18900 (patch)
tree7362d739f4558b4aece09bbde333df5c219d8f1a /numpy/core/shape_base.py
parentf4ddc2b3251d4606cc227761933e991131425416 (diff)
downloadnumpy-45413455791c77465c5f33a5082053274eb18900.tar.gz
ENH: refactor __array_function__ pure Python implementation
Diffstat (limited to 'numpy/core/shape_base.py')
-rw-r--r--numpy/core/shape_base.py7
1 files changed, 4 insertions, 3 deletions
diff --git a/numpy/core/shape_base.py b/numpy/core/shape_base.py
index 0378d3c1f..f8332c362 100644
--- a/numpy/core/shape_base.py
+++ b/numpy/core/shape_base.py
@@ -342,10 +342,11 @@ def hstack(tup):
def _stack_dispatcher(arrays, axis=None, out=None):
arrays = _arrays_for_stack_dispatcher(arrays, stacklevel=6)
- for a in arrays:
- yield a
if out is not None:
- yield out
+ # optimize for the typical case where only arrays is provided
+ arrays = list(arrays)
+ arrays.append(out)
+ return arrays
@array_function_dispatch(_stack_dispatcher)