25 lines
476 B
Plaintext
25 lines
476 B
Plaintext
!import "base.tri" !Local
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!import "list.tri" List
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match_ = y (self value patterns :
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triage
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t
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(_ : t)
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(pattern rest :
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triage
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t
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(_ : t)
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(test result :
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if (test value)
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(result value)
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(self value rest))
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pattern)
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patterns)
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match = (value patterns :
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match_ value (List.map (sublist :
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pair (List.head sublist) (List.head (List.tail sublist)))
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patterns))
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otherwise = const (t t)
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