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Update definition of Replace (and clarify SimpleReplace) #596
Update definition of Replace (and clarify SimpleReplace) #596
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So this change is allowing
SrcNode
to be in S* ∩ X*. OK I think I see why this is allowed!There was a problem hiding this comment.
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If you move a subtree from the old Hugr to a new location....
Should I expand, do you think? I admit that change looks quite small but has bigger ramifications!
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This is a bit more complex than append-to-end, but I think it may be necessary for replacing particular children of Conditionals (even without changing their number); CFG entry nodes; and Input/Output nodes. Generally you'll need to provide exactly one Input if-and-only-if you remove an Input, sort of thing, but it seems reasonable that you might???
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This is not as closely related, but Const nodes can go anywhere according to the Scoped Definitions section, and the lack of order edge follows #447 and #468