• Ruby

b = a.map(&:to_i)

• C#

var b = a.Select(i => int.Parse(i)).ToList();

• Dart

var b = a.map(int.parse).toList();

• Fortran

  allocate (b(size(a)))
  read (unit=a,fmt=*) b

• Go

b := make([]int, len(a))
var err error
for i, s := range a {
	b[i], err = strconv.Atoi(s)
	if err != nil {
		return err
	}
}

• JS

let b = a.map(Number)

• Java

b = stream(s)
    .mapToInt(Integer::parseInt)
    .toArray();

• Java

for (String s : a) b.add(parseInt(s));

• Java

b = a.stream()
    .map(Integer::parseInt)
    .toList();

• Pascal

var
  a: TStringList;
  b: specialize TList<Integer>;
...
for i := 0 to a.count-1 do b.add(IntToStr(a[i]));

• Perl

@b = map { $_ += 0 } @a

• Python

b = [int(elem) for elem in a]

• Python

b = [*map(int, a)]

• Rust

let b: Vec<i32> = a.iter().flat_map(|s| s.parse().ok()).collect();

• Rust

let b: Vec<i64> = a.iter().map(|x| x.parse::<i64>().unwrap()).collect();

• VB

For i = LBound(a) To UBound(a)
    b(i) = CInt(a(i))
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