Clean

'''Clean''' is a pure and lazy functional programming language.

Citations

• Wikipedia:Clean (programming language)

Tasks

• Apply a callback to an array
• Arrays
• Boolean values
• Command-line arguments
• Comments
• Compound data type
• Conditional structures
• Create a two-dimensional array at runtime
• Empty program
• Filter
• Hello world!
• Hello world/Graphical
• Hello world/Text
• Higher-order functions
• Integer comparison
• Integer sequence
• Parametric polymorphism
• Singly-linked list/Element definition
• Sort an integer array
• Sort using a custom comparator
• String length
• Sum and product of an array