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Codechange: Implement a constructor for CurrencySpec (fixes VS2017 compile failure) #8607

merged 2 commits into from Feb 13, 2021


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@glx22 glx22 commented Jan 25, 2021

Motivation / Problem

VS2017 fails to compile our current code with

  Error: ..\src\currency.cpp(69): error C2440: 'initializing': cannot convert from 'const char [3]' to 'char'
  ..\src\currency.cpp(69): note: There is no context in which this conversion is possible

While the error is weird (and probably incorrect as VS2019 has no issue with our code), I think implicit copy from const char[] (string literal) to char[] is not fully legit.


I added a constructor to do the copy without implicit casting.
Of course that removed the default constructor, so I re-added it.
And with that VS2017 succeeds to build


None I can think of.

Checklist for review

Some things are not automated, and forgotten often. This list is a reminder for the reviewers.

  • The bug fix is important enough to be backported? (label: 'backport requested')
  • This PR affects the save game format? (label 'savegame upgrade')
  • This PR affects the GS/AI API? (label 'needs review: Script API')
    • ai_changelog.hpp, gs_changelog.hpp need updating.
    • The compatibility wrappers (compat_*.nut) need updating.
  • This PR affects the NewGRF API? (label 'needs review: NewGRF')
LordAro previously approved these changes Jan 25, 2021
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@LordAro LordAro left a comment


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@LordAro LordAro commented Jan 25, 2021

Should we add windows-2016 to the CI, perhaps?

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@glx22 glx22 commented Jan 25, 2021

It's easy to enable both, test running on

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@LordAro LordAro commented Jan 25, 2021

Might as well, I'd say. Not like there's extra expense or anything :)

@glx22 glx22 merged commit f181037 into OpenTTD:master Feb 13, 2021
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@glx22 glx22 deleted the string_literal branch Feb 13, 2021
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2 participants