cooking with fire - tour - touring some programming systems

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author	elioat <elioat@tilde.institute>	2023-12-28 18:11:21 -0500
committer	elioat <elioat@tilde.institute>	2023-12-28 18:11:21 -0500
commit	2768352165dea9aa273a500885d4cea71becbdcd (patch)
tree	25b2c620f8f7b3b1010969ca123cc2ffca6d3b9a /uxntal/primes.tal
parent	c49f8d5dde2cc34036be6ee953ffef92a688fd28 (diff)
download	tour-2768352165dea9aa273a500885d4cea71becbdcd.tar.gz

cooking with fire

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; To demonstrate generic functions, we'll construct a factorial function with ; separate base and recursive clauses. Compare factorial.mu. ; factorial n = n*factorial(n-1) (function factorial [ (default-space:space-address <- new space:literal 30:literal) (n:integer <- input 0:literal) (x:integer <- subtract n:integer 1:literal) (subresult:integer <- factorial x:integer) (result:integer <- multiply subresult:integer n:integer) (reply result:integer) ]) ; factorial 0 = 1 (function factorial [ (default-space:space-address <- new space:literal 30:literal) (n:integer <- input 0:literal) { begin (zero?:boolean <- equal n:integer 0:literal) (break-unless zero?:boolean) (reply 1:literal) } ]) (function main [ (1:integer <- factorial 5:literal) ($print (("result: " literal))) (print-integer nil:literal/terminal 1:integer) ($print (("\n" literal))) ])


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