int
toInt
(
int
base
=
10
)
{
int
ret
;
try
{
ret
=
std
::
stoi
(
std
::
basic_string

(
*
this
)
,
0
,
base
)
;
}
catch
(
std
::
exception
&
)
{
ret
=
std
::
stoll
(
std
::
basic_string

(
*
this
)
,
0
,
base
)
;
}
return
ret
;
}

string a
=
"10"
;
int
b
=
int
.
Parse
(
a
)
;