all: use latest syntax

Author: changkun

bugs/3/main.go2

@@ -14,7 +14,7 @@ import "runtime"
 //
 // This is a convenient way to exit a goroutine sending values when
 // the receiver stops reading them.
-func Ranger[type T]() (*Sender[T], *Receiver[T]) {
+func Ranger[T any]() (*Sender[T], *Receiver[T]) {
 	c := make(chan T)
 	d := make(chan bool)
 	s := &Sender[T]{values: c, done: d}
@@ -24,7 +24,7 @@ func Ranger[type T]() (*Sender[T], *Receiver[T]) {
 }
 
 // A sender is used to send values to a Receiver.
-type Sender[type T] struct {
+type Sender[T any] struct {
 	values chan<- T
 	done <-chan bool
 }
@@ -47,7 +47,7 @@ func (s *Sender[T]) Close() {
 }
 
 // A Receiver receives values from a Sender.
-type Receiver[type T] struct {
+type Receiver[T any] struct {
 	values <-chan T
 	done chan<- bool
 }

chans/chans.go

@@ -10,7 +10,7 @@ import (
 )
 
 // Fanin implements a generic fan-in for variadic channels.
-func Fanin[type T](chans ...<-chan T) <-chan T {
+func Fanin[T any](chans ...<-chan T) <-chan T {
 	buf := 0
 	for _, ch := range chans {
 		if len(ch) > buf { buf = len(ch) }
@@ -32,7 +32,7 @@ func Fanin[type T](chans ...<-chan T) <-chan T {
 }
 
 // Fanout implements a generic fan-out for variadic channels
-func Fanout[type T](randomizer func(max int) int, In <-chan T, Outs ...chan T) {
+func Fanout[T any](randomizer func(max int) int, In <-chan T, Outs ...chan T) {
 	l := len(Outs)
 	for v := range In {
 		i := randomizer(l)
@@ -41,6 +41,6 @@ func Fanout[type T](randomizer func(max int) int, In <-chan T, Outs ...chan T) {
 	}
 }
 
-func LB[type T](randomizer func(max int) int, ins []<-chan T, outs []chan T) {
+func LB[T any](randomizer func(max int) int, ins []<-chan T, outs []chan T) {
 	Fanout(randomizer, Fanin(ins...), outs...)
 }

chans/chans.go2

@@ -4,7 +4,7 @@
 
 package constraints
 
-type Pair[type F1, F2] struct {
+type Pair[F1, F2 any] struct {
 	f1 F1
 	f2 F2
 }

chans/lb.go2

@@ -10,8 +10,8 @@ type Stringer interface {
 	String() string
 }
 
-type PrintableStringer[type T Stringer] interface {
-	T Print()
+type PrintableStringer[T Stringer] interface {
+	Print()
 }
 
 type Sequence interface {