2_mapreduce.coffee

# define the map function 
# this function will be called for every basket and 
# is used to emit whatever information that we want 
# about the contents each basket, although the data 
# must be in the format (key, value) although 
# value can be an object if nescessary

mapFunc = -> 
    key = @fruit 
    values = { 
        count: @count, 
        baskets: 1 
    } 
    emit(key, values)