| Voldenet | the wilder part of all is with negations imo | 00:24 | |
| m: say so all(1, 2, 3) != 4 | |||
| camelia | True | ||
| Voldenet | m: say so all() != 4 | ||
| camelia | False | ||
| Voldenet | m: sub infix:<neq> { $^a != $^b }; say so all() neq 4 | 00:28 | |
| camelia | True | ||
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| lizmat | junctions and negations have been a discussion point for at least a decade | 06:35 | |
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| ab5tract | I'm still fine with merging this for 6.e ;) --- github.com/rakudo/rakudo/pull/5690 | 08:23 | |
| R5690 | 08:24 | ||
| R!5690 | |||
| ahh, R#5690 | 08:25 | ||
| linkable6 | R#5690 [open]: github.com/rakudo/rakudo/pull/5690 Address long-standing discrepancy for != and METAOP_NEGATE | ||
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| [Coke] | ugexe: 40 failures on your branch. | 12:44 | |
| ugexe: gist.github.com/coke/df45d660bf01a...1754189f41 is the failures.md file. | 12:47 | ||
| ... ww | 12:48 | ||
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| Voldenet | well I agree that R#5690 kind of addresses it, but I don't think this can be fixed at this point | 18:28 | |
| linkable6 | R#5690 [open]: github.com/rakudo/rakudo/pull/5690 Address long-standing discrepancy for != and METAOP_NEGATE | ||
| Voldenet | the fundamental flaw is assumption that != is negated == except it's totally not | ||
| like sql uses 3VL which can be flattened to 2VL | 18:34 | ||
| imo != should be made in a way that emits non-equality operators, not as a negation | 18:41 | ||
| disbot | <demanddystopia> hm, since it seems possible to write !== is there a concrete example where that & != differ in output? cause trying the examples seems to give me the same output? | ||
| Voldenet | hmm I think not the moment | 18:45 | |
| since `!=` is implemented as `not ==`… and `!==` is the same | 18:49 | ||
| but `Infix !=` is real operator and `MetaInfix::Negate Infix ==` is a metaop which is significant | 18:55 | ||
| though to be honest, I don't use junctions, it's a very strange way to code, I prefer .grep and .first which are simply not doing weird things to negations | 19:02 | ||
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