github.com/searKing/golang/go@v1.2.74/container/slice/stream.go (about)

     1  // Copyright 2020 The searKing Author. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package slice
     6  
     7  import (
     8  	"github.com/searKing/golang/go/util/optional"
     9  )
    10  
    11  type Stream struct {
    12  	s interface{}
    13  }
    14  
    15  func NewStream() *Stream {
    16  	return &Stream{}
    17  }
    18  func (stream *Stream) WithSlice(s interface{}) *Stream {
    19  	stream.s = s
    20  	return stream
    21  }
    22  
    23  func (stream *Stream) Value() interface{} {
    24  	return stream.s
    25  }
    26  
    27  func (stream *Stream) Filter(f func(interface{}) bool) *Stream {
    28  	return stream.WithSlice(FilterFunc(stream.s, f))
    29  }
    30  
    31  func (stream *Stream) Map(f func(interface{}) interface{}) *Stream {
    32  	return stream.WithSlice(MapFunc(stream.s, f))
    33  }
    34  
    35  func (stream *Stream) Distinct(f func(interface{}, interface{}) int) *Stream {
    36  	return stream.WithSlice(DistinctFunc(stream.s, f))
    37  }
    38  
    39  func (stream *Stream) Sorted(f func(interface{}, interface{}) int) *Stream {
    40  	return stream.WithSlice(SortedFunc(stream.s, f))
    41  }
    42  
    43  func (stream *Stream) Peek(f func(interface{})) *Stream {
    44  	return stream.WithSlice(PeekFunc(stream.s, f))
    45  }
    46  
    47  func (stream *Stream) Limit(maxSize int) *Stream {
    48  	return stream.WithSlice(LimitFunc(stream.s, maxSize))
    49  }
    50  
    51  func (stream *Stream) Skip(n int) *Stream {
    52  	return stream.WithSlice(SkipFunc(stream.s, n))
    53  }
    54  
    55  func (stream *Stream) TakeWhile(f func(interface{}) bool) *Stream {
    56  	return stream.WithSlice(TakeWhileFunc(stream.s, f))
    57  }
    58  
    59  func (stream *Stream) TakeUntil(f func(interface{}) bool) *Stream {
    60  	return stream.WithSlice(TakeUntilFunc(stream.s, f))
    61  }
    62  
    63  func (stream *Stream) DropWhile(f func(interface{}) bool) *Stream {
    64  	return stream.WithSlice(DropWhileFunc(stream.s, f))
    65  }
    66  
    67  func (stream *Stream) DropUntil(f func(interface{}) bool) *Stream {
    68  	return stream.WithSlice(DropUntilFunc(stream.s, f))
    69  }
    70  
    71  func (stream *Stream) ForEach(f func(interface{})) {
    72  	ForEachFunc(stream.s, f)
    73  }
    74  
    75  func (stream *Stream) ForEachOrdered(f func(interface{})) {
    76  	ForEachOrderedFunc(stream.s, f)
    77  }
    78  
    79  func (stream *Stream) ToSlice(ifStringAsRune ...bool) interface{} {
    80  	return ToSliceFunc(stream.s)
    81  }
    82  
    83  func (stream *Stream) Reduce(f func(left, right interface{}) interface{}) *optional.Optional {
    84  	return optional.OfNillable(ReduceFunc(stream.s, f))
    85  }
    86  
    87  func (stream *Stream) Min(f func(interface{}, interface{}) int) *optional.Optional {
    88  	return optional.OfNillable(MinFunc(stream.s, f))
    89  }
    90  
    91  func (stream *Stream) Max(f func(interface{}, interface{}) int) *optional.Optional {
    92  	return optional.OfNillable(MaxFunc(stream.s, f))
    93  }
    94  
    95  func (stream *Stream) Count(ifStringAsRune ...bool) int {
    96  	return CountFunc(stream.s)
    97  }
    98  
    99  func (stream *Stream) AnyMatch(f func(interface{}) bool) bool {
   100  	return AnyMatchFunc(stream.s, f)
   101  }
   102  
   103  func (stream *Stream) AllMatch(f func(interface{}) bool) bool {
   104  	return AllMatchFunc(stream.s, f)
   105  }
   106  
   107  func (stream *Stream) NoneMatch(f func(interface{}) bool) bool {
   108  	return NoneMatchFunc(stream.s, f)
   109  }
   110  
   111  func (stream *Stream) FindFirst(f func(interface{}) bool) *optional.Optional {
   112  	return optional.OfNillable(FindFirstFunc(stream.s, f))
   113  }
   114  
   115  func (stream *Stream) FindFirstIndex(f func(interface{}) bool) int {
   116  	return FindFirstIndexFunc(stream.s, f)
   117  }
   118  
   119  func (stream *Stream) FindAny(f func(interface{}) bool) *optional.Optional {
   120  	return optional.OfNillable(FindAnyFunc(stream.s, f))
   121  }
   122  
   123  func (stream *Stream) FindAnyIndex(f func(interface{}) bool) int {
   124  	return FindAnyIndexFunc(stream.s, f)
   125  }
   126  
   127  func (stream *Stream) Empty(ifStringAsRune ...bool) interface{} {
   128  	return EmptyFunc(stream.s)
   129  }
   130  
   131  func (stream *Stream) Of(ifStringAsRune ...bool) *Stream {
   132  	return stream.WithSlice(Of(stream.s))
   133  }
   134  
   135  func (stream *Stream) Concat(s2 *Stream) *Stream {
   136  	return stream.WithSlice(ConcatFunc(stream.s, s2.s))
   137  }
   138  func (stream *Stream) ConcatWithValue(v interface{}) *Stream {
   139  	return stream.Concat(NewStream().WithSlice(v))
   140  }
   141  
   142  //grammar surger for count
   143  func (stream *Stream) Size() int {
   144  	return stream.Count()
   145  }
   146  
   147  func (stream *Stream) Length() int {
   148  	return stream.Count()
   149  }