Ensure operand is optional: only 0 or 1

3 years ago · ef96dbf0ec
parent 0c87557d39
commit ef96dbf0ec
1 changed files with 1 additions and 1 deletions
--- a/src/grammars/mblf.pest
+++ b/src/grammars/mblf.pest
@ -1,7 +1,7 @@
 operator       = @{ "operator" } // TODO
 operand        = @{ "operand" }  // TODO
-instruction    = { operator ~ (" "+ ~ operand)* }
+instruction    = { operator ~ (" "+ ~ operand)? }
 loopBlockStart = { "[" }
 loopBlockEnd   = { "]" }