fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        // Write strictly the first element into the supplied output
        // stream: `f`. Returns `fmt::Result` which indicates whether the
        // operation succeeded or failed. Note that `write!` uses syntax which
        // is very similar to `println!`.
        write!(f, "{}", self.value)
    }
// This trait requires `fmt` with this exact signature.
This trait requires `fmt` with this exact signature.
This trait requires ` fmt ` with this exact signature .
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        // Write strictly the first element into the supplied output
        // stream: `f`. Returns `fmt::Result` which indicates whether the
        // operation succeeded or failed. Note that `write!` uses syntax which
        // is very similar to `println!`.
        write!(f, "{}", self.value)
    }
fn fmt ( & self , f : & mut fmt :: Formatter ) -> fmt :: Result { // Write strictly the first element into the supplied output // stream: `f`. Returns `fmt::Result` which indicates whether the // operation succeeded or failed. Note that `write!` uses syntax which // is very similar to `println!`. write ! ( f " " self value ) }
This trait requires `fmt` with this exact signature.
This trait requires ` fmt ` with this exact signature .
&self
f
&mut fmt::Formatter