docstr: Concatenate multiple IntervalArray
  
  Parameters
  ----------
  to_concat : sequence of IntervalArray
  
  Returns
  -------
  IntervalArray
docstr_tok: ["Concatenate","multiple","IntervalArray","Parameters","--","--","--","--","--","to_concat",":","sequence","of","IntervalArray","Returns","--","--","--","-","IntervalArray"]
code: def _concat_same_type(cls, to_concat):
      """
      Concatenate multiple IntervalArray
  
      Parameters
      ----------
      to_concat : sequence of IntervalArray
  
      Returns
      -------
      IntervalArray
      """
      closed = {interval.closed for interval in to_concat}
      if len(closed) != 1:
          raise ValueError(
              "Intervals must all be closed on the same side."
          )
      closed = closed.pop()
  
      left = np.concatenate([interval.left for interval in to_concat])
      right = np.concatenate([interval.right for interval in to_concat])
      return cls._simple_new(left, right, closed=closed, copy=False)
  
imports: from operator import le, lt
  import textwrap
  import numpy
  from pandas._libs.interval import Interval, IntervalMixin, intervals_to_interval_bounds
  from pandas.compat import add_metaclass
  from pandas.compat.numpy import function
  from pandas.util._decorators import Appender
  from pandas.util._doctools import _WritableDoc
  from pandas.core.dtypes.cast import maybe_convert_platform
  from pandas.core.dtypes.common import is_categorical_dtype, is_datetime64_any_dtype, is_float_dtype, is_integer_dtype, is_interval, is_interval_dtype, is_scalar, is_string_dtype, is_timedelta64_dtype, pandas_dtype
  from pandas.core.dtypes.dtypes import IntervalDtype
  from pandas.core.dtypes.generic import ABCDatetimeIndex, ABCInterval, ABCIntervalIndex, ABCPeriodIndex, ABCSeries
  from pandas.core.dtypes.missing import isna, notna
  from pandas.core.arrays.base import ExtensionArray, _extension_array_shared_docs
  from pandas.core.arrays.categorical import Categorical
  import pandas.core.common
  from pandas.core.config import get_option
  from pandas.core.indexes.base import Index, ensure_index
label_desc: Use image node_id 16 for calling the IntervalArray obj's underlying member method code with example usage: obj._concat_same_type(cls, to_concat) and returns: cls