36 lines
602 B
Plaintext
36 lines
602 B
Plaintext
#lang honu
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var => = 0
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pattern match_pattern (){ [element:expression_list]}, { [ $ element_each_result , $ ...]}
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pattern match_clause (| =>){ | pattern:match_pattern => out:expression , }
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macro mymatch(with){
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thing:expression with
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clause:match_clause ...
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} {
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syntax(
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cond
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$ clause_pattern == thing: clause_out, $ ...
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else: -2
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)
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}
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mymatch [1] with
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| [1] => 5,
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| [2] => 6,
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mymatch [1, 2, 3] with
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| [4] => 12,
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| [1, 2] => 7,
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| [1, 2, 3] => 8,
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// mymatch [1] with | [2] => 5
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mymatch [true, false] with
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| [true] => 1,
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| [false] => 2,
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| [false, true] => 3,
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| [true, false] => 4,
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