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Type testing
============
.. function:: isa(*types)
Returns function checking if its argument is of any of given ``types``.
Split labels from ids::
labels, ids = lsplit(isa(str), values)
.. function:: is_mapping(value)
is_set(value)
is_list(value)
is_tuple(value)
is_seq(value)
is_iter(value)
These functions check if value is ``Mapping``, ``Set``, ``list``, ``tuple``, ``Sequence`` or iterator respectively.
.. function:: is_seqcoll(value)
Checks if ``value`` is a list or a tuple, which are both sequences and collections.
.. function:: is_seqcont(value)
Checks if ``value`` is a list, a tuple or an iterator, which are sequential containers. It can be used to distinguish between value and multiple values in dual-interface functions::
def add_to_selection(view, region):
if is_seqcont(region):
# A sequence of regions
view.sel().add_all(region)
else:
view.sel().add(region)
.. function:: iterable(value)
Tests if ``value`` is iterable.
.. raw:: html
:file: descriptions.html
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