Merge pull request #924 from dtolnay/ruststringcap

Expose capacity and reserve on rust::String

1 files changed, 11 insertions, 0 deletions

diff --git a/src/cxx.cc b/src/cxx.cc
index 921b17db..2a615483 100644
--- a/src/cxx.cc
+++ b/src/cxx.cc
@@ -40,8 +40,11 @@ bool cxxbridge1$string$from_utf16(rust::String *self, const char16_t *ptr,
 void cxxbridge1$string$drop(rust::String *self) noexcept;
 const char *cxxbridge1$string$ptr(const rust::String *self) noexcept;
 std::size_t cxxbridge1$string$len(const rust::String *self) noexcept;
+std::size_t cxxbridge1$string$capacity(const rust::String *self) noexcept;
 void cxxbridge1$string$reserve_additional(rust::String *self,
                                           size_t additional) noexcept;
+void cxxbridge1$string$reserve_total(rust::String *self,
+                                     size_t new_cap) noexcept;
 
 // rust::Str
 void cxxbridge1$str$new(rust::Str *self) noexcept;
@@ -165,6 +168,14 @@ const char *String::c_str() noexcept {
   return ptr;
 }
 
+std::size_t String::capacity() const noexcept {
+  return cxxbridge1$string$capacity(this);
+}
+
+void String::reserve(std::size_t new_cap) noexcept {
+  cxxbridge1$string$reserve_total(this, new_cap);
+}
+
 String::iterator String::begin() noexcept {
   return const_cast<char *>(this->data());
 }