37 lines
580 B
Go
37 lines
580 B
Go
package config
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import (
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"log"
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"os"
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"strconv"
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)
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func Env(name string, out any, def string) {
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raw := os.Getenv(name)
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if raw == "" {
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raw = def
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log.Printf("No \"%s\" provided, defaulting to \"%s\".", name, def)
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}
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switch value := out.(type) {
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case *int:
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i, err := strconv.ParseInt(raw, 10, 64)
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if err != nil {
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log.Printf("\"%s\" is not a number (\"%s\").", name, raw)
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return
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}
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*value = int(i)
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case *bool:
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switch raw {
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case "true", "TRUE", "1":
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*value = true
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case "false", "FALSE", "0":
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*value = false
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}
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case *string:
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*value = raw
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}
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}
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