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package xpath_test
import (
"fmt"
"github.com/antchfx/xpath"
)
// XPath package example.
func Example() {
expr, err := xpath.Compile("count(//book)")
if err != nil {
panic(err)
}
var root xpath.NodeNavigator
// using Evaluate() method
val := expr.Evaluate(root) // it returns float64 type
fmt.Println(val.(float64))
// using Evaluate() method
expr = xpath.MustCompile("//book")
val = expr.Evaluate(root) // it returns NodeIterator type.
iter := val.(*xpath.NodeIterator)
for iter.MoveNext() {
fmt.Println(iter.Current().Value())
}
// using Select() method
iter = expr.Select(root) // it always returns NodeIterator object.
for iter.MoveNext() {
fmt.Println(iter.Current().Value())
}
}
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