Lucy::Analysis::CaseFolder - Normalize case, facilitating case-insensitive search.
my $case_folder = Lucy::Analysis::CaseFolder->new; my $polyanalyzer = Lucy::Analysis::PolyAnalyzer->new( analyzers => [ $tokenizer, $case_folder, $stemmer ], );
CaseFolder is DEPRECATED. Use Normalizer instead.
CaseFolder normalizes text according to Unicode case-folding rules, so that searches will be case-insensitive.
my $case_folder = Lucy::Analysis::CaseFolder->new;
Constructor. Takes no arguments.
my $inversion = $case_folder->transform($inversion);
Take a single Inversion as input and returns an Inversion, either the same one (presumably transformed in some way), or a new one.
inversion - An inversion.
Lucy::Analysis::CaseFolder isa Lucy::Analysis::Analyzer isa Clownfish::Obj.