so-called-'flatting'.coffee

###########
# PROCESS 0
###########

A = [ '0', '1', '2', '3' ]
B = [ '4', '5', '6', '7' ]
C = [ '8', '9', 'a', 'b' ]
D = [ 'c', 'd', 'e', 'f' ]

chunks = [ A, B, C, D ]

content = _.reduce chunks, (memo, chunk) ->
  memo.concat chunk
  
# content =  [ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' ]
  

###########
# PROCESS 1
###########

content = []

A = [ '0', '1', '2', '3' ]
B = [ '4', '5', '6', '7' ]
C = [ '8', '9', 'a', 'b' ]
D = [ 'c', 'd', 'e', 'f' ]

chunks = [ A, B, C, D ]

_.forEach chunks, (chunk) ->
  _.forEach chunk, (datum) ->
    content.push datum

# content =  [ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' ]