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Note Get* behavior on parse failure #1687

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3 changes: 3 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -563,6 +563,9 @@ One important thing to recognize is that each Get function will return a zero
value if it’s not found. To check if a given key exists, the `IsSet()` method
has been provided.

The zero value will also be returned if the value is set, but fails to parse
as the requested type.

Example:
```go
viper.GetString("logfile") // case-insensitive Setting & Getting
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