Add a check for supporting `extern "x"` values

cuviper / autocfg

Automatic cfg for Rust compiler features

Apache License 2.0

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Add a check for supporting `extern "x"` values #66

Open tgross35 opened 4 months ago

tgross35 commented 4 months ago

Rust currently has extern "C" and extern "Rust", but is likely to get more in the future - specifically C-unwind and crabi. A convenient way to probe for these would be helpful.