> A simple example might be: for (altitude = 0.1; altitude < 10e6; altitude
> =* 10.0) { . . . }
Conceptually, this could be represented as a variant of `stride` which took a
unary function for its `by` parameter:
for altitude in stride(from: 0.1, to: 10e6, by: { $0 * 10 }) {
...
}
There are a couple of features which could in theory clean this syntax up a
bit, but they have limitations that prevent it:
* You can't use trailing closure syntax in a statement like `for` or `if`; the
trailing closure is treated as the body of the statement.
* You can't use @autoclosure for an expression which has a parameter.
--
Brent Royal-Gordon
Architechies
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