sudo: false
language: erlang
otp_release:
  - 19.2
  - 18.3
before_install:
  - ./ci before_install "${PWD:?}"/rebar3
install:
  - ./ci install "${PWD:?}"/rebar3
script:
  - ./ci script "${PWD:?}"/rebar3
cache:
  directories:
    - .plt

sudo: false
language: erlang
otp_release:
  - 19.2
before_install:
  - ./ci before_install "${PWD:?}"/rebar3
install:
  - ./ci install "${PWD:?}"/rebar3
script:
  - ./ci script "${PWD:?}"/rebar3
cache:
  directories:
    - .plt

Drop 18.3 as expected to fail and not supported
Drop 18.3 as expected to fail and not supported

Reason is usage of
[`:=`](http://erlang.org/documentation/doc-7.3/doc/reference_manual/typespec.html)
maps syntax.
