Function prevChar

tools/shell/linenoise.cpp:3118–3120

}

static uint32_t prevChar(struct linenoiseState* l) {
    return Utf8Proc::previousGraphemeCluster(l->buf, l->len, l->pos);
}

static uint32_t nextChar(struct linenoiseState* l) {
    return utf8proc_next_grapheme(l->buf, l->len, l->pos);