TryDefault

A 'try' version of Default, where it returns an Option::Some wrapping the default value when present. It returns Option::None when there is no Default available.

You can in theory call this on any type to retrive it's Default, if there is one!

``` use ::try_default::TryDefault;

// Set to Some(0). let defaultnum = ::trydefault();

// Set to None, as ::std::fs::File has no Default. let defaultfile = <::std::fs::File>::trydefault(); ```

Notes

• Requires nightly for specialization feature.
• Is possibly the world's most pointless crate. But it's here if you need it!