method

julian_leap?

ruby latest stable - Class: Date

julian_leap?(p1)

public

Returns true if the given year is a leap year of the proleptic Julian calendar.

Date.julian_leap?(1900)           #=> true
Date.julian_leap?(1901)           #=> false

static VALUE
date_s_julian_leap_p(VALUE klass, VALUE y)
{
    VALUE nth;
    int ry;

    decode_year(y, +1, &nth, &ry);
    return f_boolcast(c_julian_leap_p(ry));
}

julian_leap?

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