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Use a newtype_index! within Symbol. #56699

Merged
merged 1 commit into from
Dec 14, 2018
Merged

Use a newtype_index! within Symbol. #56699

merged 1 commit into from
Dec 14, 2018

Commits on Dec 11, 2018

  1. Use a newtype_index! within Symbol. 

    This shrinks `Option<Symbol>` from 8 bytes to 4 bytes, which shrinks
`Token` from 24 bytes to 16 bytes. This reduces instruction counts by up
to 1% across a range of benchmarks.
    @nnethercote
    nnethercote committed Dec 11, 2018
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