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Fix char & arguments being non-bindable

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This changes the caster to return a reference to a (new) local `CharT`
type caster member so that binding lvalue-reference char arguments
works (currently it results in a compilation failure).

Fixes #1116
This commit is contained in:
Jason Rhinelander
2017-10-06 11:50:10 -03:00
parent 04b41f0304
commit 1b08df5872
3 changed files with 14 additions and 6 deletions
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tests/test_builtin_casters.cpp
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@@ -50,7 +50,9 @@ TEST_SUBMODULE(builtin_casters, m) {
// test_single_char_arguments
m.attr("wchar_size") = py::cast(sizeof(wchar_t));
m.def("ord_char", [](char c) -> int { return static_cast<unsigned char>(c); });
m.def("ord_char_lv", [](char &c) -> int { return static_cast<unsigned char>(c); });
m.def("ord_char16", [](char16_t c) -> uint16_t { return c; });
m.def("ord_char16_lv", [](char16_t &c) -> uint16_t { return c; });
m.def("ord_char32", [](char32_t c) -> uint32_t { return c; });
m.def("ord_wchar", [](wchar_t c) -> int { return c; });