assert: remove code that is never reached#8132
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The internal function `truncate()` is only called with the first argument being the output of `util.inspect()`. `util.inspect()` calls its own internal `formatValue()` which is guaranteed to return a string. Therefore, we can remove the check in `truncate()` that the first argument is a string as well as code to handle the case where it is not a string.
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There appears to be some Ci infrastructure issues right now...will try again later, but the results look fine on the hosts that didn't have build issues. |
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lib/assert.js
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| } else { | ||
| return s; | ||
| } | ||
| return s.length < n ? s : s.slice(0, n); |
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Why not directly s.slice(0, n)? The String.prototype.slice seems to cover the case s.length < endSlice and returned what we expected.
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Not sure. My guess is it was done this way as a micro-optimization for the common case. Seems like just calling s.slice(0,n) as you suggest would be better.
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Trott
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Aug 18, 2016
The internal function `truncate()` is only called with the first argument being the output of `util.inspect()`. `util.inspect()` calls its own internal `formatValue()` which is guaranteed to return a string. Therefore, we can remove the check in `truncate()` that the first argument is a string as well as code to handle the case where it is not a string. PR-URL: nodejs#8132 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Alexander Makarenko <estliberitas@gmail.com> Reviewed-By: Yorkie Liu <yorkiefixer@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
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evanlucas
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Aug 24, 2016
The internal function `truncate()` is only called with the first argument being the output of `util.inspect()`. `util.inspect()` calls its own internal `formatValue()` which is guaranteed to return a string. Therefore, we can remove the check in `truncate()` that the first argument is a string as well as code to handle the case where it is not a string. PR-URL: #8132 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Alexander Makarenko <estliberitas@gmail.com> Reviewed-By: Yorkie Liu <yorkiefixer@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
MylesBorins
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Oct 10, 2016
The internal function `truncate()` is only called with the first argument being the output of `util.inspect()`. `util.inspect()` calls its own internal `formatValue()` which is guaranteed to return a string. Therefore, we can remove the check in `truncate()` that the first argument is a string as well as code to handle the case where it is not a string. PR-URL: #8132 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Alexander Makarenko <estliberitas@gmail.com> Reviewed-By: Yorkie Liu <yorkiefixer@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
rvagg
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Oct 18, 2016
The internal function `truncate()` is only called with the first argument being the output of `util.inspect()`. `util.inspect()` calls its own internal `formatValue()` which is guaranteed to return a string. Therefore, we can remove the check in `truncate()` that the first argument is a string as well as code to handle the case where it is not a string. PR-URL: #8132 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Alexander Makarenko <estliberitas@gmail.com> Reviewed-By: Yorkie Liu <yorkiefixer@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
MylesBorins
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Oct 26, 2016
The internal function `truncate()` is only called with the first argument being the output of `util.inspect()`. `util.inspect()` calls its own internal `formatValue()` which is guaranteed to return a string. Therefore, we can remove the check in `truncate()` that the first argument is a string as well as code to handle the case where it is not a string. PR-URL: #8132 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Alexander Makarenko <estliberitas@gmail.com> Reviewed-By: Yorkie Liu <yorkiefixer@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
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Checklist
make -j4 test(UNIX), orvcbuild test nosign(Windows) passesAffected core subsystem(s)
assert
Description of change
The internal function
truncate()is only called with the firstargument being the output of
util.inspect().util.inspect()callsits own internal
formatValue()which is guaranteed to return a string.Therefore, we can remove the check in
truncate()that the firstargument is a string as well as code to handle the case where it is not
a string.