1 files changed, 8 insertions, 4 deletions
diff --git a/lib/pure/strutils.nim b/lib/pure/strutils.nim
index bfc32bc71..14877eb4d 100644
--- a/lib/pure/strutils.nim
+++ b/lib/pure/strutils.nim
@@ -179,9 +179,10 @@ proc isLowerAscii*(s: string): bool {.noSideEffect, procvar,
   if s.len() == 0:
     return false
 
-  result = true
   for c in s:
-    result = c.isLowerAscii() and result
+    if not c.isLowerAscii():
+      return false
+  true
 
 proc isUpperAscii*(s: string): bool {.noSideEffect, procvar,
   rtl, extern: "nsuIsUpperAsciiStr".}=
@@ -193,9 +194,10 @@ proc isUpperAscii*(s: string): bool {.noSideEffect, procvar,
   if s.len() == 0:
     return false
 
-  result = true
   for c in s:
-    result = c.isUpperAscii() and result
+    if not c.isUpperAscii():
+      return false
+  true
 
 proc toLowerAscii*(c: char): char {.noSideEffect, procvar,
   rtl, extern: "nsuToLowerAsciiChar".} =
@@ -1307,10 +1309,12 @@ proc join*[T: not string](a: openArray[T], sep: string = ""): string {.
 type
   SkipTable = array[char, int]
 
+{.push profiler: off.}
 proc preprocessSub(sub: string, a: var SkipTable) =
   var m = len(sub)
   for i in 0..0xff: a[chr(i)] = m+1
   for i in 0..m-1: a[sub[i]] = m-i
+{.pop.}
 
 proc findAux(s, sub: string, start: int, a: SkipTable): int =
   # Fast "quick search" algorithm: