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-rw-r--r--compiler/linter.nim5
1 files changed, 2 insertions, 3 deletions
diff --git a/compiler/linter.nim b/compiler/linter.nim
index 41ee24fa5..07563ddbb 100644
--- a/compiler/linter.nim
+++ b/compiler/linter.nim
@@ -72,10 +72,9 @@ proc beautifyName(s: string, k: TSymKind): string =
 proc differ*(line: string, a, b: int, x: string): string =
   proc substrEq(s: string, pos, last: int, substr: string): bool =
     var i = 0
-    var length = substr.len
-    while i < length and pos+i <= last and s[pos+i] == substr[i]:
+    while i < substr.len and pos+i <= last and s[pos+i] == substr[i]:
       inc i
-    return i == length
+    return i == substr.len
 
   let last = min(b, line.len)