Trait proc_macro_error::OptionExt

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pub trait OptionExt {
    type Some;

    // Required method
    fn expect_or_abort(self, msg: &str) -> Self::Some;
}
Expand description

This traits expands Option with some handy shortcuts.

Required Associated Types§

Required Methods§

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fn expect_or_abort(self, msg: &str) -> Self::Some

Behaves like Option::expect: if self is Some yield the contained value, otherwise abort macro execution via abort_call_site!. If it aborts the message will be used for compile_error! invocation.

Implementations on Foreign Types§

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impl<T> OptionExt for Option<T>

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type Some = T

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fn expect_or_abort(self, message: &str) -> T

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