Make .ext on empty paths return "" rather than crashing with a NPE #87
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CI failure seems like a flake |
lefou
reviewed
Dec 8, 2021
os/src/Path.scala
Outdated
| @@ -193,7 +198,9 @@ trait BasePathImpl extends BasePath{ | |||
| else last.slice(0, li) | |||
| } | |||
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| def last: String | |||
| def last: String = lastOpt.getOrElse("empty path has no last segment") | |||
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Did you mean to throw an exception here?
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Hah good catch. I'll add a test to cover this error behavior as well
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@lefou this should be ready for another look |
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This should be released as next minor release, because of the newly introduced method in the API. |
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Fixes com-lihaoyi/Ammonite#1017
This is more consistent with calling
.exton non-empty paths which have no extension, since those currently return""We also introduce a new a
lastOptionmethod, as a way to get the last segment in a list without throwing. Not sure if that's the right thing to do, or whether we should make.lastreturn""(which is otherwise not a valid return value, since path segments cannot be empty).Covered with simple unit tests