# maps
resource "aws_instance" "foo" {
    for_each = {
    (   a = "thing"
        b = "another thing"
        c = "yet another thing"
    }
    num = "3"
}

# sets
resource "aws_instance" "bar" {
    for_each = toset([])
}
resoustance" "boo" {
    foo = aws_instance.foo["a"].num
}

resource "aws_instance" "bat" {
    for_each = {
        my_kr_each = {
    (   a = "thing"
        b = "another thing"
        c = "yet another thing"
    }
    num = "3"
}

# sets
resource "aws_instance" "bar" {
    for_each = toset([])
}
resoustance" "boo" {
    foo = aws_instance.foo["a"].num
}

resource "aws_instance" "bat" {
    for_each = {
        my_key = aws_instance.boo.foo
    ey = aws_instance.boo.foo
    }
    foo = each.valuçççççççççççççççççççççççççççççççe
}