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author | Robert Griesemer <gri@golang.org> | 2010-08-06 15:07:54 -0700 |
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committer | Robert Griesemer <gri@golang.org> | 2010-08-06 15:07:54 -0700 |
commit | 1dd88408007adb131711216d5c747717070d0fb0 (patch) | |
tree | d526fc9a37c133592d94c51b7179147dd0e58731 /test/peano.go | |
parent | 64f24107e11766c95a8f16c4351c07846b2ed50b (diff) | |
download | go-1dd88408007adb131711216d5c747717070d0fb0.tar.gz go-1dd88408007adb131711216d5c747717070d0fb0.zip |
test/peano: use directly recursive type def
Test case for http://code.google.com/p/go/issues/detail?id=999
R=r
CC=golang-dev
https://golang.org/cl/1892050
Diffstat (limited to 'test/peano.go')
-rw-r--r-- | test/peano.go | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/test/peano.go b/test/peano.go index 77a0d1272b..f4c59d1e1a 100644 --- a/test/peano.go +++ b/test/peano.go @@ -6,9 +6,7 @@ package main -type Number struct { - next *Number -} +type Number *Number // ------------------------------------- @@ -26,13 +24,13 @@ func is_zero(x *Number) bool { func add1(x *Number) *Number { e := new(Number) - e.next = x + *e = x return e } func sub1(x *Number) *Number { - return x.next + return *x } @@ -96,7 +94,7 @@ func check(x *Number, expected int) { // ------------------------------------- // Test basic functionality -func verify() { +func init() { check(zero(), 0) check(add1(zero()), 1) check(gen(10), 10) @@ -121,10 +119,7 @@ func verify() { // ------------------------------------- // Factorial - func main() { - - verify() for i := 0; i <= 9; i++ { print(i, "! = ", count(fact(gen(i))), "\n") } |