Struct FnGen

pub struct FnGen<T, ArrayType, F: FnMut(&mut Xoshiro256PlusPlus) -> T>
where
    T: Copy + Default,
    ArrayType: Array + From<Vec<T>>,
{ /* private fields */ }

Trait Implementations

impl<T, ArrayType, F> ArrayGenerator for FnGen<T, ArrayType, F>

where T: Copy + Default + Send + Sync, ArrayType: Array + From<Vec<T>> + 'static, F: Send + Sync + FnMut(&mut Xoshiro256PlusPlus) -> T,

fn generate( &mut self, length: RowCount, rng: &mut Xoshiro256PlusPlus, ) -> Result<Arc<dyn Array>, ArrowError>

Generate an array of the given length

fn data_type(&self) -> &DataType

Get the data type of the array that this generator produces

fn element_size_bytes(&self) -> Option<ByteCount>

Get the size of each element in bytes

fn metadata(&self) -> Option<HashMap<String, String>>

Gets metadata that should be associated with the field generated by this generator