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Kind.sml
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Kind.sml
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signature KIND =
sig
open MathTypes
val noadKind: noad -> kind
end (* signature KIND *)
(*----------*)
structure Kind: KIND =
struct
open MathTypes
fun nucKind [MathChar (k, _, _)] = k
| nucKind ml = Ord
val noadKind =
fn MathChar (k, _, _) => k
| Radical _ => Ord
| Accent _ => Ord
| VCenter _ => Ord
| Overline _ => Ord
| Underline _ => Ord
| GenFraction _ => Inner
| LeftRight _ => Inner (* 1191, TeX-Program *)
| Script {nucleus, ...} => nucKind nucleus
| BigOp _ => Op
| SubBox _ => Ord
| MList _ => Ord
| Kind (k, _) => k
| _ => raise CannotHappen
(* not called for the remaining possibilities:
MPen, MSpace, Style, Choice *)
end (* structure Kind *)