Function leveldb_sys::leveldb_options_set_create_if_missing

pub unsafe extern "C" fn leveldb_options_set_create_if_missing(
    o: *mut leveldb_options_t, 
    val: c_uchar
)

Modify o to specify whether a new database should be created if none exists yet

• If val is != 0, new database creation is enabled
• If val is 0, no new database will be created if none exists yet (default)