Function ConstantArray

cpp/src/arrow/testing/generator.cc:50–54

template <typename ArrowType, typename CType = typename TypeTraits<ArrowType>::CType,
          typename BuilderType = typename TypeTraits<ArrowType>::BuilderType>
static inline std::shared_ptr<Array> ConstantArray(int64_t size, CType value) {
  auto type = TypeTraits<ArrowType>::type_singleton();
  auto builder_fn = [&](BuilderType* builder) { builder->UnsafeAppend(value); };
  return ArrayFromBuilderVisitor(type, size, builder_fn).ValueOrDie();
}

std::shared_ptr<arrow::Array> ConstantArrayGenerator::Boolean(int64_t size, bool value) {
  return ConstantArray<BooleanType>(size, value);