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-rw-r--r--src/brainfuck/brainfuck.cr3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/brainfuck/brainfuck.cr b/src/brainfuck/brainfuck.cr
index b75ad1c..819fe8e 100644
--- a/src/brainfuck/brainfuck.cr
+++ b/src/brainfuck/brainfuck.cr
@@ -3,6 +3,9 @@ require "./*"
module Brainfuck
DEFAULT_TAPE_SIZE = 30_000
+ class MemoryError < Exception
+ end
+
enum Opcode
PtrRight
PtrLeft