elvis
n. countablen. a specific way of writing code where you use a special symbol (?.) to check if something exists before you try to use it. This helps prevent your computer program from crashing if a piece of information is missing.
n. a syntax pattern in programming, specifically the null-coalescing or optional chaining operator, used to safely access properties of an object that might be null. It prevents runtime errors by short-circuiting the evaluation if the operand is null or undefined.
You should use the Elvis operator to avoid a null pointer error.
The developer refactored the code to use an Elvis operator, ensuring the application wouldn't crash when a user profile was missing.
By implementing the Elvis operator within the data-binding logic, the team significantly reduced the amount of boilerplate code required for null-safety checks across the entire front-end architecture.
From the anglicisation of the Irish name of Saint Ailbe (Saint Elvis), also known as Saint Eilfyw or Eilfw. Ultimate origin is uncertain.
Usually refers to the '?:' or '?.' symbols; the name derives from the symbol's resemblance to the singer's hair quiff.