Using ADL everywhere for lexical_cast #820
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Codecov ReportBase: 99.44% // Head: 99.44% // Increases project coverage by
Additional details and impacted files@@ Coverage Diff @@
## main #820 +/- ##
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Coverage 99.44% 99.44%
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Files 16 16
Lines 3950 3959 +9
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+ Hits 3928 3937 +9
Misses 22 22
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Looks like one minor issue with clang tidy, then could be merged. |
phlptp
approved these changes
Dec 29, 2022
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I don't think the CMAKE test issue is related to this PR. I will look into it more. |
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Right now it's pretty much impossible to extend the library for custom template types because we can't have partial function template specializations in C++ (and thus cannot partially specialize
CLI::detail::lexical_cast). Note that just throwing an overload intoCLI::detaildoesn't work because the overload should be visible at the call site, and to have that you'd have to first declare the overload, and only then include the CLI11 headers. Not very practical.This PR fixes it by making sure all calls to
lexical_castare done via argument-dependent lookup.