Editando: turing.go
// run // Copyright 2009 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. // Test simulating a Turing machine, sort of. package main // brainfuck var p, pc int var a [30000]byte const prog = "++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.!" func scan(dir int) { for nest := dir; dir*nest > 0; pc += dir { switch prog[pc+dir] { case ']': nest-- case '[': nest++ } } } func main() { r := "" for { switch prog[pc] { case '>': p++ case '<': p-- case '+': a[p]++ case '-': a[p]-- case '.': r += string(a[p]) case '[': if a[p] == 0 { scan(1) } case ']': if a[p] != 0 { scan(-1) } default: if r != "Hello World!\n" { panic(r) } return } pc++ } }
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Kerym Chaeceran