Add Env with default value #55
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sunjayaali
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deankarn
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Dec 12, 2025
| // the type assertion is valid for the expected type of the environment variable. | ||
| func Env[T any](key string, defaultValue T) T { | ||
| if v, ok := os.LookupEnv(key); ok { | ||
| return any(v).(T) |
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Unfortunately this cast won’t work for many types like string to an integer for example.
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Yes, you're right. Need to change to constraint and how to cast the value. But at least the signature will be like that.
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This PR is too add new method like
os.GetEnvbut with default value.Closes #54