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-rw-r--r--Doc/whatsnew/3.7.rst11
1 files changed, 11 insertions, 0 deletions
diff --git a/Doc/whatsnew/3.7.rst b/Doc/whatsnew/3.7.rst
index 5e35534..9979e69 100644
--- a/Doc/whatsnew/3.7.rst
+++ b/Doc/whatsnew/3.7.rst
@@ -323,6 +323,17 @@ Adds a new module ``dataclasses``. It provides a class decorator
``typing.NamedTuple``, but also works on classes with mutable
instances, among other features.
+For example::
+
+ @dataclass
+ class Point:
+ x: float
+ y: float
+ z: float = 0.0
+
+ p = Point(1.5, 2.5)
+ print(p) # produces "Point(x=1.5, y=2.5, z=0.0)"
+
.. seealso::
:pep:`557` -- Data Classes