pub fn content_type(&self) -> &'static str {
        match self {
            Self::Pretty => "text/plain",
            Self::Csv => "text/csv",
            Self::Json => "application/json",
        }
    }
/// Return the Mcontent-type of this format
Return the Mcontent-type of this format
Return the Mcontent - type of this format
pub fn content_type(&self) -> &'static str {
        match self {
            Self::Pretty => "text/plain",
            Self::Csv => "text/csv",
            Self::Json => "application/json",
        }
    }
pub fn content_type ( & self ) -> & ' static str { match self { Self :: Pretty => " " , Self :: Csv => " " , Self :: Json => " " , } }
Return the Mcontent-type of this format
Return the Mcontent - type of this format
&self
&self