Created
May 24, 2024 15:08
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| package main | |
| // https://go.dev/tour/generics/2 | |
| import "fmt" | |
| // List represents a singly-linked list that holds | |
| // values of any type. | |
| type List[T any] struct { | |
| next *List[T] | |
| val T | |
| } | |
| func (l *List[T]) lappend(x T){ | |
| curr := l | |
| for { | |
| if curr.next == nil{ | |
| break | |
| } | |
| curr = curr.next | |
| } | |
| curr.next = &List[T]{nil, x} | |
| } | |
| func (l *List[T]) print(){ | |
| curr := l | |
| for { | |
| fmt.Println(curr.val) | |
| if curr.next == nil{ | |
| break | |
| } | |
| curr = curr.next | |
| } | |
| } | |
| func main() { | |
| head:= List[int]{nil, 3} | |
| head.lappend(4) | |
| head.lappend(5) | |
| head.lappend(3) | |
| head.print() | |
| } |
A goroutine is not an OS thread. However, if a go routine is blocking, new OS threads will be started to run other coroutines.
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I wonder, line 22, this object: curr.next = &List[T]{nil, x} -- it has lifetime until it's magically garbage collected?