pub fn mutation_type(&self) -> Option<TypeType<S>> {
        if let Some(ref mutation_type_name) = self.mutation_type_name {
            Some(
                self.type_by_name(mutation_type_name)
                    .expect("Mutation type does not exist in schema"),
            )
        } else {
            None
        }
    }
/// Get the mutation type from the schema.
Get the mutation type from the schema.
Get the mutation type from the schema .
pub fn mutation_type(&self) -> Option<TypeType<S>> {
        if let Some(ref mutation_type_name) = self.mutation_type_name {
            Some(
                self.type_by_name(mutation_type_name)
                    .expect("Mutation type does not exist in schema"),
            )
        } else {
            None
        }
    }
pub fn mutation_type ( & self ) -> Option < TypeType < S > > { if let Some ( ref mutation_type_name ) = self . mutation_type_name { Some ( self . type_by_name ( mutation_type_name ) . expect ( " " ) , ) } else { None } }
Get the mutation type from the schema.
Get the mutation type from the schema .
&self
&self