Lisp

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Functional programming
Higher-order function
Lambda calculus
Metaprogramming
Homoiconicity
Lexical closure
Domain-specific language
Continuation
John McCarthy (computer scientist)
Lisp (programming language)
M-expression
S-expression
Common Lisp
Common Lisp Object System
CLiki
Practical Common Lisp
Paul Graham (computer programmer)
Scheme (programming language)
Guy L. Steele, Jr.
Gerald Jay Sussman
Read-eval-print loop
Meta-circular evaluator
Tail call optimization
Eager evaluation
Applicative order
Hello world