Get started with Arrow functions in ColdFusion (2018 release) ColdFusion (2018 release) Update 5 introduces a new way of writing functions, known as Arrow Function or Fat Arrow Function (=>).
Arrow functions allow you to use the fat arrow operator to define ColdFusion functions. You can either use parameters in the function definition or not use any. Arrow functions avoid the usage of curly brackets and make the return keyword optional while creating a function.
Basic syntax of the arrow operator
(param1, param2, ..., paramN) => {statements}
Example
Traditional way of writing functions
For example, if you were to filter some data in an array using the function ArrayFilter, you would write the following code:
<cfscript>
superheroes=[
{"name":"Iron Man","member":"Avengers"},
{"name":"Wonder Woman","member":"Justice League"},
{"name":"Hulk","member":"Avengers"},
{"name":"Thor","member":"Avengers"},
{"name":"Aquaman","member":"Justice League"}
]
closure=function(i
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