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Add a warning about `Option/Result::and()` being eagerly evaluated
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@ -1189,6 +1189,12 @@ impl<T> Option<T> {
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/// Returns [`None`] if the option is [`None`], otherwise returns `optb`.
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///
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/// Arguments passed to `and` are eagerly evaluated; if you are passing the
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/// result of a function call, it is recommended to use [`and_then`], which is
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/// lazily evaluated.
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///
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/// [`and_then`]: Option::and_then
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///
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/// # Examples
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///
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/// ```
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@ -1285,6 +1285,11 @@ impl<T, E> Result<T, E> {
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/// Returns `res` if the result is [`Ok`], otherwise returns the [`Err`] value of `self`.
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///
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/// Arguments passed to `and` are eagerly evaluated; if you are passing the
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/// result of a function call, it is recommended to use [`and_then`], which is
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/// lazily evaluated.
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///
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/// [`and_then`]: Result::and_then
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///
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/// # Examples
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///
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