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-rw-r--r--kernel/writer.sats1
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/writer.sats b/kernel/writer.sats
index 3ccfd7b..65a2ea9 100644
--- a/kernel/writer.sats
+++ b/kernel/writer.sats
@@ -29,3 +29,4 @@ typedef writer = @{position = [a:int | a >= 0 && a < N] int (a), color_code = u
castfn i2u8 {n: nat} (i: int n): uint8 n
fun put_string (str : string) : void
+fun clear_screen() : void