Hi all,
I saw some recent questions about 'when' statements. I had another one related
to evaluating 'when' statements that involve leafs that don't currently have a
value at all.
leaf foo {
type enumeration {
enum val1;
enum val2;
}
}
leaf bar {
when "../foo != 'val2'";
type uint8;
}
Notice that foo does not have a default statement. So if no manager has set
leaf foo, it doesn't exist in the config.
In that case, does the "when" statement evaluate to 'true' (i.e. leaf bar is
allowed to have a value) ?
i.e. assuming leaf foo is not set at all, is this accepted?
<bar>23</bar>
Or is there something special here because of the non-existence of leaf foo?
If the "when" evaluates to 'false', then does the following "when" evaluate
differently than the one above?
when "not(../foo = 'val2')";
Jason
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