BigDecimal#_dump

_dump → string

ext/bigdecimal/bigdecimal.c View on GitHub ↗

static VALUE
BigDecimal_dump(int argc, VALUE *argv, VALUE self)
{
    ENTER(5);
    Real *vp;
    char *psz;
    VALUE dummy;
    volatile VALUE dump;
    size_t len;

    rb_scan_args(argc, argv, "01", &dummy);
    GUARD_OBJ(vp,GetVpValue(self, 1));
    dump = rb_str_new(0, VpNumOfChars(vp, "E")+50);
    psz = RSTRING_PTR(dump);
    snprintf(psz, RSTRING_LEN(dump), "%"PRIuSIZE":", VpMaxPrec(vp)*VpBaseFig());
    len = strlen(psz);
    VpToString(vp, psz+len, RSTRING_LEN(dump)-len, 0, 0);
    rb_str_resize(dump, strlen(psz));
    return dump;
}

Returns a string representing the marshalling of self. See module Marshal.

Example

inf = BigDecimal('Infinity') # => Infinity
dumped = inf._dump           # => "9:Infinity"
BigDecimal._load(dumped)     # => Infinity

See also #divmod #dup #div #eql? also in 3.2 · 3.1 · 3.0

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