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- 3a9532fb2d6ae45c3cba44c9bb0dbdfc1558b7d3 Fix the description of Span::subspan(). by Abseil Team <absl-team@google.com>

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- bae1a1c21924bd31fa7315eff05ea6158d9e7947 Port the symbolizer to Windows. by Derek Mauro <dmauro@google.com>
  - 2253c04c1a4f39d9581772f1dc4491878aa3831f Support absl::Hex() and absl::Dec() as arguments to absl:... by Jorg Brown <jorg@google.com>
  - 552c3ac259e9c254fda9244755487f3423d2fe4b Internal change by Jorg Brown <jorg@google.com>

GitOrigin-RevId: 3a9532fb2d6ae45c3cba44c9bb0dbdfc1558b7d3
Change-Id: I448133c9bb6d837037c12b45a9a16a7945049453
This commit is contained in:
Abseil Team 2018-04-23 15:50:21 -07:00 • committed by Derek Mauro
parent af7882601a
commit 19b3c95727
10 changed files with 223 additions and 26 deletions
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18
absl/types/span.h
View file

@ -458,10 +458,20 @@ class Span {
// Span::subspan()
//
// Returns a `Span` starting at element `pos` and of length `len`, with
// proper bounds checking to ensure `len` does not exceed the ptr+size of the
// original array. (Spans whose `len` would point past the end of the array
// will throw a `std::out_of_range`.)
// Returns a `Span` starting at element `pos` and of length `len`. Both `pos`
// and `len` are of type `size_type` and thus non-negative. Parameter `pos`
// must be <= size(). Any `len` value that points past the end of the span
// will be trimmed to at most size() - `pos`. A default `len` value of `npos`
// ensures the returned subspan continues until the end of the span.
//
// Examples:
//
// std::vector<int> vec = {10, 11, 12, 13};
// absl::MakeSpan(vec).subspan(1, 2); // {11, 12}
// absl::MakeSpan(vec).subspan(2, 8); // {12, 13}
// absl::MakeSpan(vec).subspan(1); // {11, 12, 13}
// absl::MakeSpan(vec).subspan(4); // {}
// absl::MakeSpan(vec).subspan(5); // throws std::out_of_range
constexpr Span subspan(size_type pos = 0, size_type len = npos) const {
return (pos <= len_)
? Span(ptr_ + pos, span_internal::Min(len_ - pos, len))

12
absl/types/variant_test.cc
View file

@ -119,19 +119,9 @@ struct ConversionException {};
template <class T>
struct ExceptionOnConversion {
// Suppress MSVC 2017 warning "noreturn function has a non-void return type".
#ifdef _MSC_VER
#pragma warning(push)
#pragma warning(disable : 4646)
#endif // _MSC_VER
[[noreturn]] operator T() const { // NOLINT(runtime/explicit)
operator T() const { // NOLINT(runtime/explicit)
throw ConversionException();
}
#ifdef _MSC_VER
#pragma warning(pop)
#endif // _MSC_VER
};
// Forces a variant into the valueless by exception state.