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Micro template library A library for building device drivers
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utl/doc/latex/meta_2invoke_8h.tex

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  1. \hypertarget{meta_2invoke_8h}{}\section{include/utl/meta/invoke.h File Reference}

  2. \label{meta_2invoke_8h}\index{include/utl/meta/invoke.\+h@{include/utl/meta/invoke.\+h}}

  3. {\ttfamily \#include $<$utl/core/impl.\+h$>$}\newline

  4. {\ttfamily \#include $<$utl/meta/integral.\+h$>$}\newline

  5. {\ttfamily \#include $<$utl/meta/detection.\+h$>$}\newline

  6. {\ttfamily \#include $<$utl/meta/operations.\+h$>$}\newline

  7. \subsection*{Classes}

  8. \begin{DoxyCompactItemize}

  9. \item 

  10. struct \mbox{\hyperlink{structutl_1_1meta_1_1identity}{utl\+::meta\+::identity$<$ \+\_\+\+Tp $>$}}

  11. \item 

  12. struct \mbox{\hyperlink{structutl_1_1meta_1_1wrap}{utl\+::meta\+::wrap$<$ F $>$}}

  13. \item 

  14. struct \mbox{\hyperlink{structutl_1_1meta_1_1wrap__i}{utl\+::meta\+::wrap\+\_\+i$<$ T, F $>$}}

  15. \begin{DoxyCompactList}\small\item\em Wrap a template {\ttfamily F} taking literal constants of type {\ttfamily T} into an Invokable. \end{DoxyCompactList}\item 

  16. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1is__applicable__}{utl\+::meta\+::detail\+::is\+\_\+applicable\+\_\+$<$ F, T $>$}}

  17. \item 

  18. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1is__applicable__q__}{utl\+::meta\+::detail\+::is\+\_\+applicable\+\_\+q\+\_\+$<$ F, T $>$}}

  19. \item 

  20. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1is__applicable__i__}{utl\+::meta\+::detail\+::is\+\_\+applicable\+\_\+i\+\_\+$<$ T, F, Is $>$}}

  21. \item 

  22. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1defer__}{utl\+::meta\+::detail\+::defer\+\_\+$<$ F, Ts $>$}}

  23. \item 

  24. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1defer__i__}{utl\+::meta\+::detail\+::defer\+\_\+i\+\_\+$<$ T, F, Is $>$}}

  25. \item 

  26. struct \mbox{\hyperlink{structutl_1_1meta_1_1quote}{utl\+::meta\+::quote$<$ F $>$}}

  27. \item 

  28. struct \mbox{\hyperlink{structutl_1_1meta_1_1quote__i}{utl\+::meta\+::quote\+\_\+i$<$ T, F $>$}}

  29. \begin{DoxyCompactList}\small\item\em Wrap a template {\ttfamily F} taking literal constants of type {\ttfamily T} into an Invokable. \end{DoxyCompactList}\item 

  30. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1compose__f__}{utl\+::meta\+::detail\+::compose\+\_\+f\+\_\+$<$ Fns $>$}}

  31. \item 

  32. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1compose__f___3_01_fn0_00_01_fns_8_8_8_01_4}{utl\+::meta\+::detail\+::compose\+\_\+f\+\_\+$<$ Fn0, Fns... $>$}}

  33. \item 

  34. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1compose__f___3_01_fn0_01_4}{utl\+::meta\+::detail\+::compose\+\_\+f\+\_\+$<$ Fn0 $>$}}

  35. \item 

  36. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1compose__}{utl\+::meta\+::detail\+::compose\+\_\+$<$ Fns $>$}}

  37. \item 

  38. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1compose___3_01_fn0_00_01_fns_8_8_8_01_4}{utl\+::meta\+::detail\+::compose\+\_\+$<$ Fn0, Fns... $>$}}

  39. \item 

  40. struct \mbox{\hyperlink{structutl_1_1meta_1_1detail_1_1compose___3_01_fn0_01_4}{utl\+::meta\+::detail\+::compose\+\_\+$<$ Fn0 $>$}}

  41. \item 

  42. struct \mbox{\hyperlink{structutl_1_1meta_1_1bind__front}{utl\+::meta\+::bind\+\_\+front$<$ Fn, Ts $>$}}

  43. \item 

  44. struct \mbox{\hyperlink{structutl_1_1meta_1_1bind__back}{utl\+::meta\+::bind\+\_\+back$<$ Fn, Ts $>$}}

  45. \item 

  46. struct \mbox{\hyperlink{structutl_1_1meta_1_1same__as}{utl\+::meta\+::same\+\_\+as$<$ T1 $>$}}

  47. \item 

  48. struct \mbox{\hyperlink{structutl_1_1meta_1_1same__as_1_1apply}{utl\+::meta\+::same\+\_\+as$<$ T1 $>$\+::apply$<$ T2 $>$}}

  49. \item 

  50. struct \mbox{\hyperlink{structutl_1_1meta_1_1not__same__as}{utl\+::meta\+::not\+\_\+same\+\_\+as$<$ T1 $>$}}

  51. \item 

  52. struct \mbox{\hyperlink{structutl_1_1meta_1_1not__same__as_1_1apply}{utl\+::meta\+::not\+\_\+same\+\_\+as$<$ T1 $>$\+::apply$<$ T2 $>$}}

  53. \end{DoxyCompactItemize}

  54. \subsection*{Namespaces}

  55. \begin{DoxyCompactItemize}

  56. \item 

  57.  \mbox{\hyperlink{namespaceutl}{utl}}

  58. \begin{DoxyCompactList}\small\item\em S\+TL\textquotesingle{}s core language concepts. \end{DoxyCompactList}\item 

  59.  \mbox{\hyperlink{namespaceutl_1_1meta}{utl\+::meta}}

  60. \item 

  61.  \mbox{\hyperlink{namespaceutl_1_1meta_1_1detail}{utl\+::meta\+::detail}}

  62. \end{DoxyCompactItemize}

  63. \subsection*{Typedefs}

  64. \begin{Indent}\textbf{ meta\+:\+:invoke}\par

  65. {\em A meta-\/programming \mbox{\hyperlink{namespaceutl_adc675874b5426194d04112f76b356714}{invoke()}} analogous. A {\ttfamily meta\+::invocable} shall contain a nested template type named {\bfseries apply} which is bind to actual invocable meta-\/function.

  66. 

  67. 

  68. \begin{DoxyItemize}

  69. \item We can use {\ttfamily wrap$<$$>$} or even better {\ttfamily quote$<$$>$} in order to wrap a metafunction to a type (metafunction class)

  70. \item We can pass these wrapped types to other metafunctions

  71. \item We can {\ttfamily invoke$<$$>$} the inner {\ttfamily apply} from a wrapped metafunction class. 

  72. \end{DoxyItemize}}\begin{DoxyCompactItemize}

  73. \item 

  74. {\footnotesize template$<$typename \+\_\+\+Tp $>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_a63c0b6b08f4c1d9bd3c4db7432e9b2af}{utl\+::meta\+::identity\+\_\+t}} = eval$<$ identity$<$ \+\_\+\+Tp $>$ $>$

  75. \begin{DoxyCompactList}\small\item\em identity type alias \end{DoxyCompactList}\end{DoxyCompactItemize}

  76. \end{Indent}

  77. \textbf{ }\par

  78. \begin{DoxyCompactItemize}

  79. \item 

  80. {\footnotesize template$<$typename Fn , typename... Args$>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_a77630cd8adc01f7193f6cb834313d90f}{utl\+::meta\+::invoke}} = typename Fn\+::template apply$<$ Args... $>$

  81. \item 

  82. {\footnotesize template$<$typename Fn , typename... Args$>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_ac27f3e5f3ec42921d9f8a6bb85560cf1}{utl\+::meta\+::invoke\+\_\+t}} = eval$<$ invoke$<$ Fn, Args... $>$ $>$

  83. \end{DoxyCompactItemize}

  84. 

  85. \textbf{ }\par

  86. \begin{DoxyCompactItemize}

  87. \item 

  88. {\footnotesize template$<$template$<$ typename... $>$ class F, typename... T$>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_a695a94a2bbe51b0d0eec9bf82214d094}{utl\+::meta\+::is\+\_\+applicable\+\_\+t}} = eval$<$ detail\+::is\+\_\+applicable\+\_\+$<$ F, T... $>$ $>$

  89. \begin{DoxyCompactList}\small\item\em check if we can instantiate {\ttfamily F} with parameters {\ttfamily T} \end{DoxyCompactList}\item 

  90. {\footnotesize template$<$typename Q , typename... T$>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_a52c0afa73f63dc889e44cc6cc180f1f8}{utl\+::meta\+::is\+\_\+applicable\+\_\+qt}} = eval$<$ detail\+::is\+\_\+applicable\+\_\+q\+\_\+$<$ Q, T... $>$ $>$

  91. \begin{DoxyCompactList}\small\item\em check if we can invoke {\ttfamily Q} with parameters {\ttfamily T} \end{DoxyCompactList}\item 

  92. {\footnotesize template$<$typename T , template$<$ T... $>$ class F, T... Is$>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_add602488265f07c7a3080355350cda70}{utl\+::meta\+::is\+\_\+applicable\+\_\+it}} = eval$<$ detail\+::is\+\_\+applicable\+\_\+i\+\_\+$<$ T, F, Is... $>$ $>$

  93. \begin{DoxyCompactList}\small\item\em check if we can instantiate {\ttfamily F} with parameters {\ttfamily Is} of type {\ttfamily T} \end{DoxyCompactList}\end{DoxyCompactItemize}

  94. 

  95. \textbf{ }\par

  96. \begin{DoxyCompactItemize}

  97. \item 

  98. {\footnotesize template$<$template$<$ class... $>$ class F, class... Ts$>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_a48f9a1220931596a9652351d2e7242be}{utl\+::meta\+::defer}} = if\+\_\+$<$ detail\+::is\+\_\+applicable\+\_\+$<$ F, Ts... $>$, detail\+::defer\+\_\+$<$ F, Ts... $>$, nil\+\_\+ $>$

  99. \begin{DoxyCompactList}\small\item\em defer alias template for F$<$\+Ts...$>$ \end{DoxyCompactList}\item 

  100. {\footnotesize template$<$typename T , template$<$ T... $>$ class F, T... Is$>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_a01f183f337439e414184beedc9bcf9e3}{utl\+::meta\+::defer\+\_\+i}} = if\+\_\+$<$ detail\+::is\+\_\+applicable\+\_\+i\+\_\+$<$ T, F, Is... $>$, detail\+::defer\+\_\+i\+\_\+$<$ T, F, Is... $>$, nil\+\_\+ $>$

  101. \begin{DoxyCompactList}\small\item\em defer\+\_\+i alias template for F$<$\+T, Is...$>$ \end{DoxyCompactList}\end{DoxyCompactItemize}

  102. 

  103. \textbf{ }\par

  104. \begin{DoxyCompactItemize}

  105. \item 

  106. {\footnotesize template$<$typename... Fns$>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_a4f0c06cabe66bc73b703eb8509c7bb07}{utl\+::meta\+::compose}} = detail\+::compose\+\_\+$<$ Fns... $>$

  107. \item 

  108. {\footnotesize template$<$template$<$ typename... $>$ class... Fns$>$ }\\using \mbox{\hyperlink{namespaceutl_1_1meta_a729294327829b3068632da1235dc3090}{utl\+::meta\+::compose\+\_\+f}} = detail\+::compose\+\_\+f\+\_\+$<$ Fns... $>$

  109. \end{DoxyCompactItemize}