string_traits.hpp
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1 #pragma once
2 
11 #include <cstddef>
12 #include <string>
13 #include <type_traits>
14 
15 namespace cras
16 {
17 
22 template<typename T>
23 struct is_c_string : public std::false_type {};
24 
25 template<>
26 struct is_c_string<char*> : public std::true_type {};
27 
28 template<>
29 struct is_c_string<char* const> : public std::true_type {};
30 
31 template<>
32 struct is_c_string<const char*> : public std::true_type {};
33 
34 template<>
35 struct is_c_string<const char* const> : public std::true_type {};
36 
37 template<int I>
38 struct is_c_string<char[I]> : public std::true_type {};
39 
40 template<int I>
41 struct is_c_string<const char[I]> : public std::true_type {};
42 
47 template<typename T, typename = void>
48 struct is_string : public std::false_type {};
49 
50 template<typename T>
51 struct is_string<T, ::std::enable_if_t<::cras::is_c_string<typename std::decay<T>::type>::value>> :
52  public std::true_type {};
53 
54 template<typename T>
55 struct is_string<T, ::std::enable_if_t<::std::is_same<typename std::decay<T>::type, ::std::string>::value>> :
56  public std::true_type {};
57 
58 }
cras::is_c_string
Type trait for dynamic-sized and constant-sized C strings.
Definition: string_traits.hpp:23
cras
Definition: any.hpp:15
cras::is_string
Char trait for a C-string or std::string.
Definition: string_traits.hpp:48

cras_cpp_common
Author(s): Martin Pecka
autogenerated on Sun Mar 2 2025 03:50:53