Why doesn’t std::vector::push_front() exist?

You don’t want to push_front on a vector ever. Adding an element to the front means moving every single other element in the vector one element back: O(n) copying. Terrible performance.

Related Posts:

  1. How to implement 2D vector array?
  2. What is the easiest way to initialize a std::vector with hardcoded elements?
  3. Vector of Vectors to create matrix
  4. How to find out if an item is present in a std::vector?
  5. How do I print out the contents of a vector?
  6. check if a std::vector contains a certain object?
  7. How to navigate through a vector using iterators? (C++)
  8. C++ for each, pulling from vector elements
  9. How do I erase an element from std::vector<> by index?
  10. Is it more efficient to copy a vector by reserving and copying, or by creating and swapping? [duplicate]
  11. How do I reverse a C++ vector?
  12. Debug assertion failed. C++ vector subscript out of range
  13. No matching member function for call to ‘push_back’ error
  14. Pass a vector by reference C++
  15. Why there is no pop_front method in C++ std::vector?
  16. Initializing a two dimensional std::vector
  17. C++ – No matching member function for call to ‘push_back’
  18. Debug assertion failed. C++ vector subscript out of range
  19. Vector is not a Template?
  20. Displaying a vector of strings in C++
  21. ‘vector’ in namespace ‘std’ does not have a template type
  22. C++ error: Undefined symbols for architecture x86_64
  23. Vector of structs initialization
  24. Converting a vector to string
  25. vector::size_type in C++
  26. Why use a new call with a C++ ‘vector’?
  27. C++ delete vector, objects, free memory
  28. How to iterate over a vector?
  29. How to access the contents of a vector from a pointer to the vector in C++?
  30. Insert object at index of vector c++
  31. How to convert vector to array
  32. No operator << matches these operands
  33. Initialize empty vector in structure – c++
  34. splitting a string into an array in C++ without using vector
  35. What’s the most efficient way to erase duplicates and sort a vector?
  36. Best way to extract a subvector from a vector?
  37. Appending a vector to a vector
  38. How to initialize a vector of pointers
  39. C++ Erase vector element by value rather than by position?
  40. Correct way to work with vector of arrays
  41. C++ error: double free or corruption (fasttop)
  42. error C2106: ‘=’ : left operand must be l-value
  43. I get this error: “glibc detected”
  44. How to create a vector of class objects in C++?
  45. “vector” was not declared in this scope
  46. Vector declaration “expected parameter declarator”
  47. Why is this vector iterator not incrementable?
  48. Why can’t I make a vector of references?
  49. Displaying contents of a vector container in C++
  50. What is the size of sizeof(vector)? C++
  51. c++ vector bubble sort
  52. clearing a vector of pointers [duplicate]
  53. “Cannot allocate an object of abstract type” error
  54. Sleep for milliseconds
  55. C++ Cout & Cin & System “Ambiguous” [closed]
  56. undefined reference to `WinMain@16′
  57. How can I clear console
  58. How to go from fopen to fopen_s
  59. Are vectors passed to functions by value or by reference in C++
  60. How does the modulus operator work?
  61. Networking with C++
  62. Error a function-definition is not allowed here before ‘{‘ token
  63. invalid new-expression of abstract class type error
  64. How can I create objects while adding them into a vector?
  65. what does “error : a nonstatic member reference must be relative to a specific object” mean?
  66. “Symbol(s) not found for architecture x86_64” on QtCreator project
  67. Socket Programming in C++
  68. Where do “pure virtual function call” crashes come from?
  69. How to get current timestamp in milliseconds since 1970 just the way Java gets
  70. What is the best open XML parser for C++?
  71. *** No rule to make target ‘class.cpp’, needed by `build/….x86/class.o` Stop. error in Ubuntu
  72. What’s the difference between opening a file with ios::binary or ios::out or both?
  73. Hash function for a string
  74. CMake error at CMakeLists.txt:30 (project): No CMAKE_C_COMPILER could be found
  75. How to run valgrind with basic c example?
  76. initial value of reference to non-const must be an lvalue
  77. Strange error C2131: expression did not evaluate to a constant in VC 2015
  78. error: called object type ‘int’ is not a function or function pointer
  79. Hash function for a string
  80. Is there a replacement for unistd.h for Windows (Visual C)?
  81. Double pointer array in c++
  82. Don’t understand static boolean behavior
  83. How to write std::string to file?
  84. Member declaration not found
  85. What is the difference between a .cpp file and a .h file?
  86. Stable Cotangent
  87. How to change string into QString?
  88. Including .cpp files
  89. Function call missing argument list to create pointer
  90. cannot specify explicit initializer for arrays
  91. What does ** mean in C++?
  92. Incomplete type is not allowed: stringstream
  93. Initializing default values in a struct
  94. Warning: comparison of distinct pointer types
  95. Two decimal places using printf( )
  96. error C2244 unable to match function definition to an existing declaration
  97. Evaluate a string with a switch in C++ [duplicate]
  98. C++ JSON Serialization
  99. stack around the variable…was corrupted
  100. Creating a list to hold objects in C++

Leave a Comment