A brainfuck implementation in pure Typst
#import "@preview/brainf:1.0.0": brainf;
#brainf("++++++++[>++++[>++>+++>+++>+<<<<-]>+>+>->>+[<]<-]>>.>---.+++++++..+++.>>.<-.<.+++.------.--------.>>+.>++.");
Into
#import "@preview/brainf:1.0.0": brainf;
#brainf("++++++++++++++[->,.<]", inp: "Goodbye World!");
Into
I've based my implementation from theses documents: