*** LOCAL GEMS ***
atomic (1.1.10) bundler (1.3.5) coderay (1.0.9) daemons (1.1.9) eventmachine (0.12.10) execjs (1.4.0) i18n (0.6.4) json_pure (1.8.0) libv8 (3.11.8.17 x86_64-linux) method_source (0.8.2) minitest (5.0.6, 4.7.5) multi_json (1.7.7) mysql (2.9.1) nats (0.4.28) pry (0.9.12.2) rack (1.5.2) ref (1.0.5) slop (3.4.6) sqlite3 (1.3.7) therubyracer (0.11.4) thin (1.5.1) thread_safe (0.1.0) tzinfo (1.0.1, 0.3.37)
我要调用 nats 包要怎么调用?直接用 require 么?