Definitions

1. noun

A text editor or environment for developing and running source code, often used in conjunction with an interpreter, typically for programming languages such as Lisp, Python, or Ruby.

“He spent most of his day working on a repl for a new programming language.”

2. verb

To replace or reassign something, such as a value or a variable, especially in programming.

“The programmer had to repl the null pointer to avoid a runtime error.”