mirror of https://github.com/prometheus/prometheus
50 lines
1.0 KiB
Go
50 lines
1.0 KiB
Go
package govalidator
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import (
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"encoding/json"
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"fmt"
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"strconv"
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)
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// ToString convert the input to a string.
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func ToString(obj interface{}) string {
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res := fmt.Sprintf("%v", obj)
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return string(res)
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}
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// ToJSON convert the input to a valid JSON string
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func ToJSON(obj interface{}) (string, error) {
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res, err := json.Marshal(obj)
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if err != nil {
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res = []byte("")
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}
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return string(res), err
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}
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// ToFloat convert the input string to a float, or 0.0 if the input is not a float.
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func ToFloat(str string) (float64, error) {
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res, err := strconv.ParseFloat(str, 64)
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if err != nil {
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res = 0.0
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}
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return res, err
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}
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// ToInt convert the input string to an integer, or 0 if the input is not an integer.
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func ToInt(str string) (int64, error) {
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res, err := strconv.ParseInt(str, 0, 64)
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if err != nil {
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res = 0
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}
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return res, err
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}
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// ToBoolean convert the input string to a boolean.
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func ToBoolean(str string) (bool, error) {
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res, err := strconv.ParseBool(str)
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if err != nil {
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res = false
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}
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return res, err
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}
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