Path.extensionSpan
scoped constof(path) char[] extensionSpan(const char[] path)Returns a view of the extension of the final file-name segment in path.
Remarks
Leading dots alone do not create an extension: .bashrc and ....jpg return an empty span, while .profile.old returns .old.
Returns
The extension including the leading ., or an empty span when the final segment has no extension.
Parameters
const char[]
path
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