Technology1 min read

CodeSOD: Doing the Assignment

By · Published by Everything Blog

In short

The multiple assignment of variables in code, like `x = y = z;`, can lead to confusion and bugs, especially when `x` is set to a different value than intended. This practice is useful for clarity but should be balanced against readability and maintainability.

Key points

  • Multiple assignment of variables can lead to bugs and confusion.: Multiple assignment of variables can lead to bugs and confusion.
  • It's useful for clarity but should be balanced against readability and maintainability.: It's useful for clarity but should be balanced against readability and maintainability.

Sources checked by our analysis pipeline: 1

Today's code maybe isn't much of a WTF, but it does point in the general direction of, "Damn, you live like this?" Poor Nancy unfortunately does.

int x = 3;

int y = 4;

int z = 4;

x = y = z;

Each variable is declared and initialized, and then they're set equal to each other. It just raises the question though, why do it this way? Why not declare them and then x = y = z = 4

, if we want that? Or maybe, for more clarity, int x = DEFAULT_VALUE;

would be more legible, and we can skip the multiple assignments on one line. Why does x

get set to 3 but then overwritten?

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Original source: thedailywtf.com

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