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definition:
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dtRoot :: DefTree f -> Either VarIdx f
dtRoot (Leaf r) = rRoot r
dtRoot (Branch pat _ _) = tRoot pat
dtRoot (Or pat _) = tRoot pat
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demand:
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argument 1
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deterministic:
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deterministic operation
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documentation:
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--- Returns the root symbol (variable or constructor) of a definitional tree.
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failfree:
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_
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indeterministic:
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referentially transparent operation
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infix:
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no fixity defined
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iotype:
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{({Leaf}) |-> {Left,Right} || ({Branch}) |-> {Left,Right} || ({Or}) |-> {Left,Right}}
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name:
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dtRoot
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precedence:
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no precedence defined
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result-values:
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{Left,Right}
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signature:
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DefTree a -> Prelude.Either Prelude.Int a
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solution-complete:
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operationally complete operation
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terminating:
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yes
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totally-defined:
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reducible on all ground data terms
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