kuma

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package config
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import (
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	"fmt"
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	"io"
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	"os"
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)
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type Deprecation struct {
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	Env             string
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	EnvMsg          string
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	ConfigValuePath func(cfg Config) (string, bool)
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	ConfigValueMsg  string
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}
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func PrintDeprecations(deprecations []Deprecation, cfg Config, out io.Writer) {
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	for _, d := range deprecations {
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		if _, ok := os.LookupEnv(d.Env); ok {
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			_, _ = fmt.Fprintf(out, "Deprecated: %v. %v\n", d.Env, d.EnvMsg)
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		}
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		if path, exist := d.ConfigValuePath(cfg); exist {
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			_, _ = fmt.Fprintf(out, "Deprecated: %v. %v\n", path, d.ConfigValueMsg)
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		}
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	}
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}
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