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[wpiutil] StringExtras: Add substr() (#3742)

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Unlike std::string and std::string_view, this substr() allows a start
greater than the length of the string, in which case an empty string
is returned.  This matches llvm::StringRef behavior.
This commit is contained in:
Peter Johnson
2021-11-27 21:31:40 -08:00
committed by GitHub
parent 6f51cb3b98
commit ae208d2b17
18 changed files with 118 additions and 77 deletions
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4
cameraserver/src/main/native/cpp/cameraserver/CameraServer.cpp
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@@ -450,9 +450,9 @@ Instance::Instance() {
entry.SetString(VideoModeToString(sourceIt->second.GetVideoMode()));
return;
} else if (wpi::starts_with(relativeKey, "Property/")) {
propName = relativeKey.substr(9);
propName = wpi::substr(relativeKey, 9);
} else if (wpi::starts_with(relativeKey, "RawProperty/")) {
propName = relativeKey.substr(12);
propName = wpi::substr(relativeKey, 12);
} else {
return; // ignore
}