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The String reserve() function allows you to allocate a buffer in memory for manipulating strings.
string.reserve(size)
size: unsigned int declaring the number of bytes in memory to save for string manipulation
none
String myString;
void
setup
(
)
{
// initialize serial and wait for port to open:
Serial.begin
(
9600
)
;
while
(
!
Serial
)
{
;
// wait for serial port to connect. Needed for Leonardo only
}
myString.reserve
(
26
)
;
myString =
"i="
;
myString +=
"1234"
;
myString +=
", is that ok?"
;
// print the String:
Serial.println
(myString)
;
}
void
loop
(
)
{
// nothing to do here
}
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