PATTERNs

GridSearch = lambda 超参,初值:选优([GridSearch(参,优劣值(参) for 参 in 超参])

# parallel( reducer, yielder() ) # size_pool=1 => sequential
MapReduce = parallel = lambda the_reducer,the_yielder:map(the_reducer, the_yielder())
// MapReduce=parallel=(reducer,yielder)=>map(reducer,yielder())

YY ✅ ✓ ✓ ✓ XX❎✘ ❌ ✖ ✕ ☓ ✗