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23 lines
980 B
23 lines
980 B
1 year ago
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fun reverse list/0,1# {@@ok/result.= do_reverse $list [list]}
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fun do_reverse h/0/head,t/0/tail,reversed/1 {tailcall @@ok/result.= do_reverse $t [list $h {*}$reversed]}
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fun do_reverse 0/0/#,reversed/1 {return $reversed}
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#2023-06 initial punk version.. creates string rep, no compiled pattern matching - extremely slow
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#set x [list a b c d e f g h i j];list
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#P% llength $x
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#- 10
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#P% rep $x
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#- value is a list with a refcount of 4, object pointer at 00000000097F65F0, internal representation 0000000004ABCE90:0000000000000000, no string representation
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#P% reverse $x; list
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#P% rep $x
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#- value is a list with a refcount of 4, object pointer at 00000000097F65F0, internal representation 0000000004ABCE90:0000000000000000, string representation "a b c d e f #g..."
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#P% time {reverse $x} 100
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#- 2457.0330000000004 microseconds per iteration
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#P% time {reverse $x} 1000
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#- 2460.8575 microseconds per iteration
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