1 files changed, 0 insertions, 126 deletions
diff --git a/test/peano.go b/test/peano.go
deleted file mode 100644
index f4c59d1e1..000000000
--- a/test/peano.go
+++ /dev/null
@@ -1,126 +0,0 @@
-// $G $F.go && $L $F.$A && ./$A.out
-
-// 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.
-
-package main
-
-type Number *Number
-
-
-// -------------------------------------
-// Peano primitives
-
-func zero() *Number {
-	return nil
-}
-
-
-func is_zero(x *Number) bool {
-	return x == nil
-}
-
-
-func add1(x *Number) *Number {
-	e := new(Number)
-	*e = x
-	return e
-}
-
-
-func sub1(x *Number) *Number {
-	return *x
-}
-
-
-func add(x, y *Number) *Number {
-	if is_zero(y) {
-		return x
-	}
-
-	return add(add1(x), sub1(y))
-}
-
-
-func mul(x, y *Number) *Number {
-	if is_zero(x) || is_zero(y) {
-		return zero()
-	}
-
-	return add(mul(x, sub1(y)), x)
-}
-
-
-func fact(n *Number) *Number {
-	if is_zero(n) {
-		return add1(zero())
-	}
-
-	return mul(fact(sub1(n)), n)
-}
-
-
-// -------------------------------------
-// Helpers to generate/count Peano integers
-
-func gen(n int) *Number {
-	if n > 0 {
-		return add1(gen(n - 1))
-	}
-
-	return zero()
-}
-
-
-func count(x *Number) int {
-	if is_zero(x) {
-		return 0
-	}
-
-	return count(sub1(x)) + 1
-}
-
-
-func check(x *Number, expected int) {
-	var c = count(x)
-	if c != expected {
-		print("error: found ", c, "; expected ", expected, "\n")
-		panic("fail")
-	}
-}
-
-
-// -------------------------------------
-// Test basic functionality
-
-func init() {
-	check(zero(), 0)
-	check(add1(zero()), 1)
-	check(gen(10), 10)
-
-	check(add(gen(3), zero()), 3)
-	check(add(zero(), gen(4)), 4)
-	check(add(gen(3), gen(4)), 7)
-
-	check(mul(zero(), zero()), 0)
-	check(mul(gen(3), zero()), 0)
-	check(mul(zero(), gen(4)), 0)
-	check(mul(gen(3), add1(zero())), 3)
-	check(mul(add1(zero()), gen(4)), 4)
-	check(mul(gen(3), gen(4)), 12)
-
-	check(fact(zero()), 1)
-	check(fact(add1(zero())), 1)
-	check(fact(gen(5)), 120)
-}
-
-
-// -------------------------------------
-// Factorial
-
-func main() {
-	for i := 0; i <= 9; i++ {
-		print(i, "! = ", count(fact(gen(i))), "\n")
-	}
-}