24 Strings library [strings]

24.4 String view classes [string.view]

24.4.2 Class template basic_­string_­view [string.view.template]

24.4.2.1 Construction and assignment [string.view.cons]

constexpr basic_string_view() noexcept;
Effects: Constructs an empty basic_­string_­view.
Postconditions: size_­ == 0 and data_­ == nullptr.
constexpr basic_string_view(const charT* str);
Requires: [str, str + traits​::​length(str)) is a valid range.
Effects: Constructs a basic_­string_­view, with the postconditions in Table 64.
Table 64basic_­string_­view(const charT*) effects
Element
Value
data_­
str
size_­
traits​::​length(str)
Complexity: .
constexpr basic_string_view(const charT* str, size_type len);
Requires: [str, str + len) is a valid range.
Effects: Constructs a basic_­string_­view, with the postconditions in Table 65.
Table 65basic_­string_­view(const charT*, size_­type) effects
Element
Value
data_­
str
size_­
len