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allow encode to work on arbitrary ranges

master
Daniel Kolesa 2018-01-07 19:38:47 +01:00
parent 818fd1e8e8
commit 3db863c68d
1 changed files with 5 additions and 4 deletions
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9
ostd/string.hh
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@ -818,8 +818,9 @@ namespace utf {
* If none were written, the encoding failed and the string is not
* advanced.
*/
template<typename C, typename R, typename IC>
inline std::size_t encode(R &sink, basic_char_range<IC const> &r) {
template<typename C, typename OR, typename IR>
inline std::size_t encode(OR &sink, IR &r) {
using IC = std::remove_const_t<range_value_t<IR>>;
if constexpr(max_units<IC> == 1) {
std::size_t n = 0;
if (!r.empty() && (n = utf::encode<C>(sink, char32_t(r.front())))) {
@ -845,8 +846,8 @@ namespace utf {
return 0;
}
template<std::size_t N, typename R, typename IC>
inline std::size_t encode(R &sink, basic_char_range<IC const> &r) {
template<std::size_t N, typename OR, typename IR>
inline std::size_t encode(OR &sink, IR &r) {
return encode<unicode_t<N>>(sink, r);
}