minOfWithOrNull
inline
fun
<
R
>
CharSequence
.
minOfWithOrNull
(
comparator
:
Comparator
<
in
R
>
,
selector
:
(
Char
)
->
R
)
:
R
?
(source)
Returns the smallest value according to the provided
comparator
among all values produced by
selector
function applied to each character in the char sequence or
null
if there are no characters.