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-rw-r--r--lib/pure/strtabs.nim6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/pure/strtabs.nim b/lib/pure/strtabs.nim
index 727d5a386..05d8666c6 100644
--- a/lib/pure/strtabs.nim
+++ b/lib/pure/strtabs.nim
@@ -168,6 +168,12 @@ proc newStringTable*(mode: StringTableMode): StringTableRef {.
   result.counter = 0
   newSeq(result.data, startSize)
 
+proc resetStringTable*(s: var StringTableRef, mode: StringTableMode) =
+  ## resets a string table to be empty again.
+  s.mode = mode
+  s.counter = 0
+  s.data.setLen(startSize)
+
 proc newStringTable*(keyValuePairs: varargs[string],
                      mode: StringTableMode): StringTableRef {.
   rtl, extern: "nst$1WithPairs".} =