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Diffstat (limited to 'Common/Char.lean')
| -rw-r--r-- | Common/Char.lean | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Common/Char.lean b/Common/Char.lean new file mode 100644 index 0000000..9c727eb --- /dev/null +++ b/Common/Char.lean @@ -0,0 +1,4 @@ +namespace Char + +def asDigit (d : Char) (ok : Char.isDigit d = true) : Nat := + d.toNat - 48 |