To reach the beginner level, you will need to master the following concepts and skills:
CONCEPTS
SKILLS
Immutable data
Second-order functions
Constructoring and destructuring
Function composition
First-class functions and lambdas
Use second-order functions (map, filter, fold) on immutable data structures
Destructure values to access their components
Use data types to represent optionality
Read basic type signatures
Pass lambdas to second-order functions
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