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Make basic_string_view ctors constexpr

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This commit is contained in:
Victor Zverovich 2017-09-29 12:26:57 -07:00
parent d5e918b61f
commit 17f93fe084
1 changed files with 5 additions and 4 deletions
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9
fmt/format.h
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@ -353,10 +353,11 @@ class basic_string_view {
public: public:
using char_type = Char; using char_type = Char;
basic_string_view() : data_(0), size_(0) {} constexpr basic_string_view() noexcept : data_(0), size_(0) {}
/** Constructs a string reference object from a C string and a size. */ /** Constructs a string reference object from a C string and a size. */
basic_string_view(const Char *s, std::size_t size) : data_(s), size_(size) {} constexpr basic_string_view(const Char *s, std::size_t size) noexcept
: data_(s), size_(size) {}
/** /**
\rst \rst
@ -364,7 +365,7 @@ class basic_string_view {
the size with ``std::char_traits<Char>::length``. the size with ``std::char_traits<Char>::length``.
\endrst \endrst
*/ */
basic_string_view(const Char *s) constexpr basic_string_view(const Char *s)
: data_(s), size_(std::char_traits<Char>::length(s)) {} : data_(s), size_(std::char_traits<Char>::length(s)) {}
/** /**
@ -372,7 +373,7 @@ class basic_string_view {
Constructs a string reference from an ``std::string`` object. Constructs a string reference from an ``std::string`` object.
\endrst \endrst
*/ */
basic_string_view(const std::basic_string<Char> &s) constexpr basic_string_view(const std::basic_string<Char> &s) noexcept
: data_(s.c_str()), size_(s.size()) {} : data_(s.c_str()), size_(s.size()) {}
/** /**