Trait OptionExt 

pub trait OptionExt<T> {
    // Required method
    fn ok_or_err_msg(self, msg: &'static str) -> Result<T, Error>;
}

An extension to Option to allow turning None case to an Error from a static string (handy for WASM).

Required Methods

fn ok_or_err_msg(self, msg: &'static str) -> Result<T, Error>

Transforms the Option<T> into a Result<T>, mapping [Some(v)] to [Ok(v)] and None to the given static error message.

Implementors

impl<T> OptionExt<T> for Option<T>