Scala函数大全

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++：

 +：/:+

 /: :\

addString

aggregate

 apply

charAt 

 clone

collect  PartialFunction

collectFirst

combinations

contains

containsSlice

copyToArray 拷贝数组

 copyToBuffer

corresponds

 count

diff

 distinct

drop

dropRight

dropWhile

 endsWith

exists

filter

filterNot

find

flatMap

flatten

fold / foldLeft / foldRight

forall

groupBy / foreach

grouped

hasDefiniteSize/hashCode

head

headOption

indexOf

indexOfSlice

indexWhere

indices

init

inits

 intersect

isDefinedAt

 isEmpty

isTraversableAgain

iterator

last

lastIndexOf

lastIndexOfSlice

lastIndexWhere

lastOption

length

 lengthCompare

map

max

maxBy / minBy

mkString

nonEmpty

padTo

par

 partition

 patch

permutations

 prefixLength

product

 reduce

reverse

reverseIterator

reverseMap

sameElements

scan

segmentLength

seq

size

sliding

sortBy

sorted

span

splitAt

 startsWith

stringPrefix

subSequence

sum

tail

take

takeRight

takeWhile

 toArray

toBufffer

 toIndexedSeq

 tolterable

transpose

union

unzip

unzip3

update

view

withFilter

zip

zipAll

zipWithIndex