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27 lines
499 B
Go
27 lines
499 B
Go
package utils
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import (
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"encoding/json"
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"fmt"
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)
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// PrettyPrint prints a data structure as a pretty JSON string.
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func PrettyPrint(v interface{}) {
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b, err := json.MarshalIndent(v, "", " ")
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if err != nil {
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fmt.Println("error:", err)
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}
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fmt.Println(string(b))
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}
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// Truncate returns a truncated version of s with at most maxLen characters.
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func Truncate(s string, maxLen int) string {
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if len(s) <= maxLen {
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return s
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}
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if maxLen <= 3 {
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return s[:maxLen]
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}
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return s[:maxLen-3] + "..."
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}
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