* make conv::char32_to_utf8_unsafe() return the number of bytes it wrote
add tests for DString
fix pointer arithmetic in DString.insert_at
Signed-off-by: Pierre Curto <pierre.curto@gmail.com>
* add support to printf for %d and enums
Signed-off-by: Pierre Curto <pierre.curto@gmail.com>
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Signed-off-by: Pierre Curto <pierre.curto@gmail.com>