Struct arrow::array::FixedSizeListBuilder [−][src]
pub struct FixedSizeListBuilder<T: ArrayBuilder> { /* fields omitted */ }
Expand description
Array builder for ListArray
Implementations
Creates a new FixedSizeListBuilder
from a given values array builder
length
is the number of values within each array
Creates a new FixedSizeListBuilder
from a given values array builder
length
is the number of values within each array
capacity
is the number of items to pre-allocate space for in this builder
Returns the child array builder as a mutable reference.
This mutable reference can be used to append values into the child array builder,
but you must call append
to delimit each distinct list value.
Finish the current variable-length list array slot
Builds the FixedSizeListBuilder
and reset this builder.
Trait Implementations
Returns the builder as a mutable Any
reference.
Returns the boxed builder as a box of Any
.