fn relative<'p>(&self, path: &'p Path) -> Result<&'p Path, Error> {
    path
      .strip_prefix(&self.prefix)
      .map_err(|_| Error::IncludeDirPrefix)
  }
/// get a relative path based on the `IncludeDir`'s prefix
get a relative path based on the `IncludeDir`'s prefix
get a relative path based on the ` IncludeDir ` ' s prefix
fn relative<'p>(&self, path: &'p Path) -> Result<&'p Path, Error> {
    path
      .strip_prefix(&self.prefix)
      .map_err(|_| Error::IncludeDirPrefix)
  }
fn relative < ' p > ( & self , path : & ' p Path ) -> Result < & ' p Path , Error > { path . strip_prefix ( & self . prefix ) . map_err ( | _ | Error :: IncludeDirPrefix ) }
get a relative path based on the `IncludeDir`'s prefix
get a relative path based on the ` IncludeDir ` ' s prefix
&self
path
&'p Path
&self
path
&'p Path