option_env! -> std::env::var to allow "nightly" check to happen at runtime rather than compile time
#2259
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…er than compile time
CraZySacX
changed the title
option_env! -> std::env::var to allow check to happen at runtime rather than compile timeoption_env! -> std::env::var to allow "nightly" check to happen at runtime rather than compile time
This was referenced Dec 9, 2017
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Closing in favour of #2249 |
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Allow
--unstable-featuresto be used in conjunction with setting the CFG_RELEASE_CHANNEL environment variable tonightly.