method

fetch

Ruby latest stable (v2_5_5) - 0 notes - Class: SDBM

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fetch(p1, p2 = v2) public

Returns the value in the database associated with the given key string.

If a block is provided, the block will be called when there is no value associated with the given key. The key will be passed in as an argument to the block.

If no block is provided and no value is associated with the given key, then an IndexError will be raised.

Show source

static VALUE
fsdbm_fetch_m(int argc, VALUE *argv, VALUE obj)
{
    VALUE keystr, valstr, ifnone;

    rb_scan_args(argc, argv, "11", &keystr, &ifnone);
    valstr = fsdbm_fetch(obj, keystr, ifnone);
    if (argc == 1 && !rb_block_given_p() && NIL_P(valstr))
        rb_raise(rb_eIndexError, "key not found");

    return valstr;
}

fetch

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