Method fmt

datafusion/expr/src/registry.rs:422–426

(&self, f: &mut Formatter<'_>)

impl Debug for ExtensionTypeRegistration {
    fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
        f.debug_struct("DefaultExtensionTypeRegistration")
            .field("type_name", &self.name)
            .finish()
    }
}

/// An [`ExtensionTypeRegistry`] that uses in memory [`HashMap`]s.