treerack/node.go

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package treerack
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import "fmt"
type Node struct {
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Name string
Nodes []*Node
From, To int
tokens []rune
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}
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func mapNodes(m func(n *Node) *Node, n []*Node) []*Node {
var nn []*Node
for i := range n {
nn = append(nn, m(n[i]))
}
return nn
}
func filterNodes(f func(n *Node) bool, n []*Node) []*Node {
var nn []*Node
for i := range n {
if f(n[i]) {
nn = append(nn, n[i])
}
}
return nn
}
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func (n *Node) String() string {
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return fmt.Sprintf("%s:%d:%d:%s", n.Name, n.From, n.To, n.Text())
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}
func (n *Node) Text() string {
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return string(n.tokens[n.From:n.To])
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}