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  • Damien George's avatar
    py: Remove mp_obj_str_builder and use vstr instead. · 05005f67
    Damien George authored
    With this patch str/bytes construction is streamlined.  Always use a
    vstr to build a str/bytes object.  If the size is known beforehand then
    use vstr_init_len to allocate only required memory.  Otherwise use
    vstr_init and the vstr will grow as needed.  Then use
    mp_obj_new_str_from_vstr to create a str/bytes object using the vstr
    Saves code ROM: 68 bytes on stmhal, 108 bytes on bare-arm, and 336 bytes
    on unix x64.