Created
April 27, 2016 07:31
-
-
Save GuilhermeHideki/17c7a433943da4aacc90c49229b1835d to your computer and use it in GitHub Desktop.
Python coalesce
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
def coalesce(*args): | |
"""Returns the first not None item. Similar to ?? in C#. | |
It's different from a or b, where false values are invalid. | |
:param args: list of items for checking | |
:return the first not None item, or None | |
""" | |
return next((arg for arg in args if arg is not None)) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Found your snip helpful.
Here is a slight mod I'm using: https://gist.github.com/SyraD/632cdbdf9cf52d77ecfb352bd697acb2/revisions