Implement compiler of lambda calculus

[kamil-adam]

• https://crypto.stanford.edu/~blynn/lambda/sk.html
• https://en.wikipedia.org/wiki/Lambda_calculus#Logic_and_predicates
• http://dev.stephendiehl.com/fun/lambda_calculus.html#reduction

https://en.m.wikipedia.org/wiki/Church_encoding

• App/Cal
• Abs/Fun index
• Arg/Par
• DefineCombinator
• Define
• Begin
• Load

Brackets:

• () for apply
• [] for list
• {} for tuple

Other

• lambda \
• nil ~
• Atom/Symbol - big letter
• text ""
• char '