text/flat: FlatText::char_to_byte_index do the +1 first (and 0 last)

Because stats!

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/lib/core/text/flat.nit b/lib/core/text/flat.nit
index 34e3ef5..200fdcf 100644 (file)
--- a/lib/core/text/flat.nit
+++ b/lib/core/text/flat.nit
@@ -54,7 +54,6 @@ redef class FlatText
                var b = _bytepos
                var its = _items
 
-               if dpos == 0 then return b
                if dpos == 1 then
                        b += _items.length_of_char_at(b)
                        _bytepos = b
@@ -67,6 +66,7 @@ redef class FlatText
                        _position = index
                        return b
                end
+               if dpos == 0 then return b
 
                var ln = _length
                var pos = _position