Using Built-In Functions (BIF) As Callbacks In Adobe ColdFusion 2025.0.8

This article details how Adobe ColdFusion 2025.0.8 allows built-in functions (BIFs) like ucase to be used as callbacks in array and list methods such as .map(), .filter(), .reduce(), and .each(). It explains that ColdFusion coerces arguments to match the BIF's expected signature, enabling unary functions like ucase to work where callbacks normally accept multiple arguments. The article provides code examples, discusses limitations with query and struct methods, and clarifies the argument shaping for different iteration contexts. It is a technical guide for ColdFusion developers leveraging new BIF callback capabilities.