Functional Programming Flashcards
What does stateless program mean
The value does not change
What does immutable variable mean
Where the variable does not change
What is the domain
The set that the input values can be chosen
What is the co-domain
Set of values the output values can be chosen
What is a composite function
A function that uses another function as an argument
What is function application
Process of applying a function to a specific set
What is a partial function
A function that already has a pre-set argument
What is a higher order function
Either:
1. Takes a function as an argument
2. Returns a function as a result
What does the map function do
Takes a list and applies the function to every single item
What does the filter function do
Takes a condition and returns the list that fulfils the condition
What does the fold function do
Takes the list and reduces the list into a single value
What is the head of a list
The first element of the list
What is the tail of a list
Everything bar from the first element
