xor-distance-exercise 0.3.6

Xor distances exercise including xor and bit operations.
Documentation
language: rust
sudo: true
rust:
  - stable
  - nightly
matrix:
  allow_failures:
    - rust: nightly
os:
  - linux
  - osx
cache: cargo
env:
  global:
    - PATH=$PATH:$HOME/.cargo/bin
    - RUST_BACKTRACE=1
addons:
  apt:
    packages:
      - libssl-dev
before_cache:
  - cargo prune
  - |
    if [[ "$TRAVIS_RUST_VERSION" == nightly ]]; then
      RUSTFLAGS="--cfg procmacro2_semver_exempt" cargo install cargo-tarpaulin
    fi
before_script:
  - |
    (which cargo-install-update && cargo install-update cargo-update) || cargo install cargo-update &&
    (which cargo-prune && cargo install-update cargo-prune) || cargo install cargo-prune
script:
  - cargo clean
  - cargo build
  - cargo test
after_success: |
  if [[ "$TRAVIS_RUST_VERSION" == nightly ]]; then
    # Get coverage report and upload it for codecov.io.
    cargo tarpaulin --out Xml
    bash <(curl -s https://codecov.io/bash)
  fi