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std::
indirect_equivalence_relation
From cppreference.com
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C++
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(C++20)
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Concepts library
(C++20)
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(C++11)
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(C++20)
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(C++17)
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(C++11)
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Technical specifications
Symbols index
External libraries
[edit]
Iterator library
Iterator concepts
indirectly_readable
(C++20)
indirectly_writable
(C++20)
weakly_incrementable
(C++20)
incrementable
(C++20)
is-integer-like
is-signed-integer-like
(C++20)
(C++20)
sentinel_for
(C++20)
sized_sentinel_for
(C++20)
input_iterator
(C++20)
output_iterator
(C++20)
input_or_output_iterator
(C++20)
forward_iterator
(C++20)
bidirectional_iterator
(C++20)
random_access_iterator
(C++20)
contiguous_iterator
(C++20)
Iterator primitives
input_iterator_tag
output_iterator_tag
forward_iterator_tag
bidirectional_iterator_tag
random_access_iterator_tag
contiguous_iterator_tag
(C++20)
iter_value_t
iter_difference_t
iter_reference_t
iter_const_reference_t
iter_rvalue_reference_t
iter_common_reference_t
(C++20)
(C++20)
(C++20)
(C++23)
(C++20)
(C++20)
iterator
(deprecated in C++17)
iterator_traits
incrementable_traits
(C++20)
indirectly_readable_traits
(C++20)
Algorithm concepts and utilities
Indirect callable concepts
indirectly_unary_invocable
indirectly_regular_unary_invocable
(C++20)
(C++20)
indirect_unary_predicate
(C++20)
indirect_binary_predicate
(C++20)
indirect_equivalence_relation
(C++20)
indirect_strict_weak_order
(C++20)
Common algorithm requirements
indirectly_movable
(C++20)
indirectly_movable_storable
(C++20)
indirectly_copyable
(C++20)