addpath /path/to/matlab-lmdb;
lmdb.make();

lmdb.make('all', '-I/opt/local/include -L/opt/local/lib');
lmdb.make('clean');

lmdb.make('test');

% Open and close.
database = lmdb.DB('./db');
readonly_database = lmdb.DB('./db', 'RDONLY', true);
clear readonly_database;

% Read and write.
database.put('key1', 'value1');
database.put('key2', 'value2');
value1 = database.get('key1');
database.remove('key1');

% Iterator.
database.each(@(key, value) disp([key, ': ', value]));
count = database.reduce(@(key, value, count) count + 1, 0);