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Range.perl doesn't round-trip Range endpoints #5605

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p6rt opened this issue Aug 20, 2016 · 1 comment
Open

Range.perl doesn't round-trip Range endpoints #5605

p6rt opened this issue Aug 20, 2016 · 1 comment
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p6rt commented Aug 20, 2016

Migrated from rt.perl.org#129018 (status was 'new')

Searchable as RT129018$
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p6rt commented Aug 20, 2016

From zefram@fysh.org

Range.new(min => (2..3), max => (4..5)).perl
2..3..4..5
Range.new(min => (2..3), max => (4..5)).perl.EVAL
===SORRY!=== Error while compiling /home/zefram/usr/rakudo/rakudo/EVAL_5
Operators '..' and '..' are non-associative and require parentheses
at /home/zefram/usr/rakudo/rakudo/EVAL_5​:1
------> 2..3.^.4..5

Even if the precedence problem were fixed, this kind of expression from
Range.perl would run into a restriction of the ".." operator​:

(2..3)..(4..5)
Range objects are not valid endpoints for Ranges
  in block <unit> at <unknown file> line 1

-zefram

@p6rt p6rt added the Bug label Jan 5, 2020
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