import ballerina/io;
public function main() {
float v1 = sum([10.5, 20.5, 30.5]);
float v2 = sum2([10.5, 20.5, 30.5]);
io:println("v1:", v1, " v2:", v2);
}
function sum(float[] v) returns float {
float r = 0.0;
// `foreach` statement can be used to iterate an `array`.
// Each iteration returns an element in the `array`.
foreach float x in v {
r += x;
}
return r;
}
function sum2(float[] v) returns float {
float r = 0.0;
// `m ..< n` creates a value that when iterated over will give the
// integers starting from `m` that are `< n`.
foreach int i in 0 ..< v.length() {
r += v[i];
}
return r;
}
Foreach statementThe |
import ballerina/io;
public function main() {
float v1 = sum([10.5, 20.5, 30.5]);
float v2 = sum2([10.5, 20.5, 30.5]);
io:println("v1:", v1, " v2:", v2);
}
function sum(float[] v) returns float {
float r = 0.0;
foreach float x in v {
r += x;
}
foreach
statement can be used to iterate an array
.
Each iteration returns an element in the array
.
return r;
}
function sum2(float[] v) returns float {
float r = 0.0;
foreach int i in 0 ..< v.length() {
r += v[i];
}
m ..< n
creates a value that when iterated over will give the
integers starting from m
that are < n
.
return r;
}
bal run foreach_statement.bal
v1:61.5 v2:61.5