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#  std::ranges::  empty

From cppreference.com

< [ cpp ](/w/cpp "cpp") ‎ | [ ranges ](/w/cpp/ranges "cpp/ranges")

[ C++ ](/w/cpp "cpp")

[ Compiler support ](/w/cpp/compiler_support "cpp/compiler support")  
---  
[ Freestanding and hosted ](/w/cpp/freestanding "cpp/freestanding")  
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[ Iterators library ](/w/cpp/iterator "cpp/iterator")  
[ Ranges library ](/w/cpp/ranges "cpp/ranges") (C++20)  
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[ Ranges library ](/w/cpp/ranges "cpp/ranges")

[ Range access ](/w/cpp/ranges#Range_access "cpp/ranges")  
---  
|  [ begin  ](/w/cpp/ranges/begin "cpp/ranges/begin")  
---  
[ cbegin  ](/w/cpp/ranges/cbegin "cpp/ranges/cbegin")  
[ end  ](/w/cpp/ranges/end "cpp/ranges/end")  
[ cend  ](/w/cpp/ranges/cend "cpp/ranges/cend")  
  
|  [ rbegin  ](/w/cpp/ranges/rbegin "cpp/ranges/rbegin")  
---  
[ crbegin  ](/w/cpp/ranges/crbegin "cpp/ranges/crbegin")  
[ rend  ](/w/cpp/ranges/rend "cpp/ranges/rend")  
[ crend  ](/w/cpp/ranges/crend "cpp/ranges/crend")  
  
|  [ size  ](/w/cpp/ranges/size "cpp/ranges/size")  
---  
[ ssize  ](/w/cpp/ranges/ssize "cpp/ranges/ssize")  
[ data  ](/w/cpp/ranges/data "cpp/ranges/data")  
[ cdata  ](/w/cpp/ranges/cdata "cpp/ranges/cdata")  
  
|  ** empty  **  
---  
  
  
  
  
  
  
  
[ Range conversions ](/w/cpp/ranges#Range_conversions "cpp/ranges")  
|  [ std::from_range_t  
std::from_range  ](/w/cpp/ranges/from_range "cpp/ranges/from range") (C++23)
(C++23)  
---  
  
|  [ to  ](/w/cpp/ranges/to "cpp/ranges/to") (C++23)  
---  
  
  
  
[ Range primitives ](/w/cpp/ranges#Range_primitives "cpp/ranges")  
|  [ range_size_t  range_difference_t  range_value_t  range_reference_t
](/w/cpp/ranges/iterator_t "cpp/ranges/iterator t")  
---  
  
|  [ iterator_t  const_iterator_t  sentinel_t  const_sentinel_t
](/w/cpp/ranges/iterator_t "cpp/ranges/iterator t") (C++23)  (C+