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31 lines
447 B
Go
31 lines
447 B
Go
// nexter.go
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package main
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import (
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"fmt"
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)
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type nexter interface {
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next() byte
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}
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func nextFew1(n nexter, num int) []byte {
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var b []byte
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for i := 0; i < num; i++ {
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b[i] = n.next()
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}
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return b
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}
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func nextFew2(n *nexter, num int) []byte {
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var b []byte
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for i := 0; i < num; i++ {
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b[i] = n.next() // compile error: n.next undefined (type *nexter has no field or method next)
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}
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return b
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}
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func main() {
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fmt.Println("Hello World!")
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}
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