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Make format_to return iterator and update docs

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This commit is contained in:
Victor Zverovich
2018-03-04 08:13:08 -08:00
parent 5281ea6ad2
commit b7632e9641
4 changed files with 42 additions and 39 deletions
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25
include/fmt/core.h
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@@ -1118,7 +1118,7 @@ struct named_arg : named_arg_base<Char> {
**Example**::
print("Elapsed time: {s:.2f} seconds", arg("s", 1.23));
fmt::print("Elapsed time: {s:.2f} seconds", arg("s", 1.23));
\endrst
*/
template <typename T>
@@ -1144,7 +1144,7 @@ FMT_API void vprint_colored(Color c, string_view format, format_args args);
Formats a string and prints it to stdout using ANSI escape sequences to
specify color (experimental).
Example:
print_colored(fmt::RED, "Elapsed time: {0:.2f} seconds", 1.23);
fmt::print_colored(fmt::RED, "Elapsed time: {0:.2f} seconds", 1.23);
*/
template <typename... Args>
inline void print_colored(Color c, string_view format_str,
@@ -1152,10 +1152,10 @@ inline void print_colored(Color c, string_view format_str,
vprint_colored(c, format_str, make_args(args...));
}
void vformat_to(internal::buffer &buf, string_view format_str,
format_args args);
void vformat_to(internal::wbuffer &buf, wstring_view format_str,
wformat_args args);
context::iterator vformat_to(internal::buffer &buf, string_view format_str,
format_args args);
wcontext::iterator vformat_to(internal::wbuffer &buf, wstring_view format_str,
wformat_args args);
template <typename Container>
struct is_contiguous : std::false_type {};
@@ -1168,11 +1168,14 @@ struct is_contiguous<fmt::internal::basic_buffer<Char>> : std::true_type {};
/** Formats a string and writes the output to ``out``. */
template <typename Container>
typename std::enable_if<is_contiguous<Container>::value>::type
typename std::enable_if<
is_contiguous<Container>::value, std::back_insert_iterator<Container>>::type
vformat_to(std::back_insert_iterator<Container> out,
string_view format_str, format_args args) {
internal::container_buffer<Container> buf(internal::get_container(out));
auto& container = internal::get_container(out);
internal::container_buffer<Container> buf(container);
vformat_to(buf, format_str, args);
return std::back_inserter(container);
}
std::string vformat(string_view format_str, format_args args);
@@ -1184,7 +1187,7 @@ std::wstring vformat(wstring_view format_str, wformat_args args);
**Example**::
std::string message = format("The answer is {}", 42);
std::string message = fmt::format("The answer is {}", 42);
\endrst
*/
template <typename... Args>
@@ -1204,7 +1207,7 @@ FMT_API void vprint(std::FILE *f, string_view format_str, format_args args);
**Example**::
print(stderr, "Don't {}!", "panic");
fmt::print(stderr, "Don't {}!", "panic");
\endrst
*/
template <typename... Args>
@@ -1220,7 +1223,7 @@ FMT_API void vprint(string_view format_str, format_args args);
**Example**::
print("Elapsed time: {0:.2f} seconds", 1.23);
fmt::print("Elapsed time: {0:.2f} seconds", 1.23);
\endrst
*/
template <typename... Args>