Uncomment None constant#110
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kinseytamsin wants to merge 2 commits intoAltF02:masterfrom
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I'm assuming this was commented out to avoid shadowing `std::option::Option::None`. However, aside from the fact that this essentially excludes a symbol from the library bindings that should be included, this is really not necessary. There are other ways for client code to avoid this issue, such as avoiding importing `x11::xlib::*` or re-exporting either `std::option::Option::None` or `x11::xlib::None` under a different name.
If simply restored as-is, the `None` constant may break existing code that imports `x11::xlib::*` and expects `None` to refer to `std::option::Option::None`. Gate the declaration behind a feature that is not enabled by default to prevent this.
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I talked to a friend of mine about this pull request and realized that my first commit is potentially a dangerous change for existing code. Commit 35bcddc is an attempt to address this and make this PR mergeable without a major version bump (per SemVer requirements). Perhaps if this is merged then the feature-gating can be removed in 3.0.0. |
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I'm assuming this was commented out to avoid shadowing
std::option::Option::None. However, aside from the fact that thisessentially excludes a symbol from the library bindings that should be
included, this is really not necessary. There are other ways for client
code to avoid this issue, such as avoiding importing
x11::xlib::*orre-exporting either
std::option::Option::Noneorx11::xlib::Noneunder a different name.