Golang stream lib is like Java 8 stream. Only handle slice or array.
go get github.com/yale8848/[email protected]
var data =[]person{{age:11,name:"alice"},{age:19,name:"pig"},{age:5,name:"cat"},{age:21,name:"bob"}}
st,_:=stream.Of(data)
st.Filter(func(v stream.T) bool {
p:=v.(person)
fmt.Printf("Filter %v\r\n",v)
return p.age>10
}).Peek(func(v stream.T) {
fmt.Printf("Peek %v\r\n",v)
}).Skip(1).Map(func(v stream.T) stream.T {
p:=v.(person)
p.name = strings.ToUpper(p.name)
return p
}).Sorted(func(v1, v2 stream.T) bool {
s1:=v1.(person)
s2:=v2.(person)
return strings.Compare(s1.name,s2.name)<0
}).Limit(2).Distinct(func(v stream.T) stream.T {
p:=v.(person)
fmt.Printf("Distinct %v\r\n",v)
return p.name
}).ForEach(func(v stream.T) bool {
fmt.Printf("ForEach %v\r\n",v)
return true
})
Filter
Map
Peek
Sorted
Distinct
Skip
Limit
unordered
parallel
sequential