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| -rw-r--r-- | tests/concepts/t8558.nim | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/tests/concepts/t8558.nim b/tests/concepts/t8558.nim new file mode 100644 index 000000000..acb2de30e --- /dev/null +++ b/tests/concepts/t8558.nim @@ -0,0 +1,26 @@ +discard """ + output: '''10 +9 +8 +7 +6 +5 +4 +3 +2 +1 +go! +''' +""" + +type Integral = concept x + x == 0 is bool + x - 1 is type(x) + +proc countToZero(n: Integral) = + if n == 0: echo "go!" + else: + echo n + countToZero(n-1) + +countToZero(10) \ No newline at end of file |