diff options
Diffstat (limited to 'range.c')
| -rw-r--r-- | range.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -1455,11 +1455,14 @@ static int r_cover_range_p(VALUE range, VALUE beg, VALUE end, VALUE val); * the end of the sequence must be calculated, which may exhibit poor * performance if <code>c</code> is non-numeric. * Returns <code>false</code> if the begin value of the - * range is larger than the end value. + * range is larger than the end value. Also returns +false+ if one of the + * internal calls to <code><=></code> returns +nil+ (indicating the objects + * are not comparable). * * ("a".."z").cover?("c") #=> true * ("a".."z").cover?("5") #=> false * ("a".."z").cover?("cc") #=> true + * ("a".."z").cover?(1) #=> false * (1..5).cover?(2..3) #=> true * (1..5).cover?(0..6) #=> false * (1..5).cover?(1...6) #=> true |