An IO monad for Java built on top of lambda
Samples: 10000000
=== Sync: Old FlatMap ===
Building...built (7062 ops/ms). Running...finished: 10000000 (945 ops/ms).
=== Sync: 新建 FlatMap ===
Building...built (11961 ops/ms). Running...finished: 10000000 (10362 ops/ms).
Build new-vs-old: 170%
Run new-vs-old: 1096%