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"allocator" and "nightly" features (for no_std environments) #153

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"allocator" and "nightly" features (for no_std environments) #153

wants to merge 2 commits into from

Commits on Nov 14, 2017

  1. no_std support (using enabled-by-default "std" feature) 

    - Changes all references to libcore features from ::std to ::core
- Feature gates anything dependent on std on the "std" feature
    @tonychain @jbowens
    tonychain authored and jbowens committed Nov 14, 2017
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  2. "allocator" and "nightly" features (for no_std environments) 

    This commit gates all allocator-dependent features on an "allocator" feature.

It also adds a "nightly" feature which enables using the "allocator" feature in
no_std environments. This requires using #[feature(alloc)] which requires
nightly.

The "allocator" feature is automatically enabled when either the "std" or
"nightly" features are enabled.

Travis CI is configured to check that builds succeed with both the "nightly"
feature along with "std" and "nightly" in combination. To avoid the problem
of nightly changes breaking the build, these combinations are specifically
flagged as allowed failures in the Travis CI configuration.
    @tonychain @jbowens
    tonychain authored and jbowens committed Nov 14, 2017
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    a90575c View commit details
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