I am very new to racket and started using lists examples recently, but when i run following map example:
(map sqrt (list 1 2 3 4))
I get this error: map: this function is not defined
I am getting error while using MAP in racket
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Racket has many languages. Which language are you using? If you're using, say, Beginning Student, it does not have any support for any higher-order functions, since beginners are not expected to know about those yet.
The standard Racket language (
#lang racket) does havemapbuilt-in, of course. In fact, Intermediate Student and Advanced Student do, too.