Flowdock
method

select

Importance_0
Ruby latest stable (v1_9_3_392) - 0 notes - Class: SDBM
select() public

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static VALUE
fsdbm_select(VALUE obj)
{
    VALUE new = rb_ary_new();
    datum key, val;
    DBM *dbm;
    struct dbmdata *dbmp;

    GetDBM2(obj, dbmp, dbm);
    for (key = sdbm_firstkey(dbm); key.dptr; key = sdbm_nextkey(dbm)) {
        VALUE assoc, v;
        val = sdbm_fetch(dbm, key);
        assoc = rb_assoc_new(rb_external_str_new(key.dptr, key.dsize),
                             rb_external_str_new(val.dptr, val.dsize));
        v = rb_yield(assoc);
        if (RTEST(v)) {
            rb_ary_push(new, assoc);
        }
        GetDBM2(obj, dbmp, dbm);
    }

    return new;
}
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