Struct C4IndexOptions 

#[repr(C)]
pub struct C4IndexOptions {
    pub language: *const c_char,
    pub ignoreDiacritics: bool,
    pub disableStemming: bool,
    pub stopWords: *const c_char,
}

Options for indexes; these each apply to specific types of indexes.

Fields

language: *const c_char

Dominant language of text to be indexed; setting this enables word stemming, i.e. matching different cases of the same word (“big” and “bigger”, for instance.) Can be an ISO-639 language code or a lowercase (English) language name; supported languages are: da/danish, nl/dutch, en/english, fi/finnish, fr/french, de/german, hu/hungarian, it/italian, no/norwegian, pt/portuguese, ro/romanian, ru/russian, es/spanish, sv/swedish, tr/turkish. If left null, or set to an unrecognized language, no language-specific behaviors such as stemming and stop-word removal occur.

ignoreDiacritics: bool

Should diacritical marks (accents) be ignored? Defaults to false. Generally this should be left false for non-English text.

disableStemming: bool

“Stemming” coalesces different grammatical forms of the same word (“big” and “bigger”, for instance.) Full-text search normally uses stemming if the language is one for which stemming rules are available, but this flag can be set to true to disable it. Stemming is currently available for these languages: da/danish, nl/dutch, en/english, fi/finnish, fr/french, de/german, hu/hungarian, it/italian, no/norwegian, pt/portuguese, ro/romanian, ru/russian, s/spanish, sv/swedish, tr/turkish.

stopWords: *const c_char

List of words to ignore (“stop words”) for full-text search. Ignoring common words like “the” and “a” helps keep down the size of the index. If NULL, a default word list will be used based on the language option, if there is one for that language. To suppress stop-words, use an empty string. To provide a custom list of words, use a string containing the words in lowercase separated by spaces.

Trait Implementations

impl Clone for C4IndexOptions

fn clone(&self) -> C4IndexOptions

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for C4IndexOptions

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for C4IndexOptions