Scan

Scan(f, expr)

applies f to each element of expr and returns Null.

Scan(f, expr, levelspec)

applies f to each level specified by levelspec of expr.

Examples

>> Scan(Print, {1, 2, 3})
 1
 2
 3

>> Scan(Print, f(g(h(x))), 2)
 h(x)
 g(h(x))

>> Scan(Print)({1, 2})
 1
 2

>> Scan(Return, {1, 2})
1

Implementation status

• ✅ - full supported

Github

• Implementation of Scan