This story was originally published on HackerNoon at:
https://hackernoon.com/code-smell-208-dont-use-null-for-real-places.
Learn why using (0, 0) for missing coordinates creates bugs and how a polymorphic Location type keeps Kotlin models accurate.
Check more stories related to programming at:
https://hackernoon.com/c/programming.
You can also check exclusive content about
#code-smells,
#null-code-smell,
#kotlin-null-handling,
#sentinel-values,
#missing-coordinates,
#location-modeling,
#polymorphism,
#hackernoon-top-story, and more.
This story was written by:
@mcsee. Learn more about this writer by checking
@mcsee's about page,
and for more stories, please visit
hackernoon.com.
Learn why using (0, 0) for missing coordinates creates bugs and how a polymorphic Location type keeps Kotlin models accurate.