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34 lines
552 B
Go
34 lines
552 B
Go
// reflect1.go
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// blog: Laws of Reflection
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package main
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import (
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"fmt"
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"reflect"
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)
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func main() {
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var x float64 = 3.4
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fmt.Println("type:", reflect.TypeOf(x))
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v := reflect.ValueOf(x)
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fmt.Println("value:", v)
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fmt.Println("type:", v.Type())
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fmt.Println("kind:", v.Kind())
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fmt.Println("value:", v.Float())
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fmt.Println(v.Interface())
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fmt.Printf("value is %5.2e\n", v.Interface())
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y := v.Interface().(float64)
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fmt.Println(y)
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}
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/* output:
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type: float64
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value: <float64 Value>
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type: float64
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kind: float64
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value: 3.4
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3.4
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value is 3.40e+00
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3.4
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*/
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