lib/core: Improve speed of `utf8_length` in NativeString and change signature

[nit.git] / lib / core / text / flat.nit

diff --git a/lib/core/text/flat.nit b/lib/core/text/flat.nit
index a72af19..9a70db8 100644 (file)
--- a/lib/core/text/flat.nit
+++ b/lib/core/text/flat.nit
@@ -458,7 +458,7 @@ class FlatString
                self._bytelen = bytelen
                _first_byte = from
                _bytepos = from
-               _length = _items.utf8_length(_first_byte, last_byte)
+               _length = _items.utf8_length(_first_byte, bytelen)
        end
 
        # Low-level creation of a new string with all the data.