1# Use arrow functions instead of function expressions 2 3Rule ``arkts-no-func-expressions`` 4 5**Severity: error** 6 7ArkTS does not support function expressions. Use arrow functions instead 8to specify explicitly. 9 10 11## TypeScript 12 13 14``` 15 16 let f = function (s: string) { 17 console.log(s) 18 } 19 20``` 21 22## ArkTS 23 24 25``` 26 27 let f = (s: string) => { 28 console.log(s) 29 } 30 31``` 32 33 34