Method push

rust/src/metadata.rs:286–292

(&self, value: &Metadata)

    }

    pub fn push(&self, value: &Metadata) -> Result<(), ()> {
        if self.get_type() != MetadataType::ArrayDataType {
            return Err(());
        }
        unsafe { BNMetadataArrayAppend(self.handle, value.handle) };
        Ok(())
    }

    pub fn insert<S: BnStrCompatible>(&self, key: S, value: &Metadata) -> Result<(), ()> {
        if self.get_type() != MetadataType::KeyValueDataType {