gistfile1.txt

~/tmp
❯ git clone https://github.com/choplin/airframe-sealed-error-example
Cloning into 'airframe-sealed-error-example'...
remote: Enumerating objects: 12, done.
remote: Counting objects: 100% (12/12), done.
remote: Compressing objects: 100% (6/6), done.
remote: Total 12 (delta 0), reused 12 (delta 0), pack-reused 0
Unpacking objects: 100% (12/12), 1015 bytes | 84.00 KiB/s, done.

~/tmp
❯ cd airframe-sealed-error-example

~/tmp/airframe-sealed-error-example master
❯ sbt compile
[info] Loading settings for project global-plugins from plugins.sbt ...
[info] Loading global plugins from /home/okuno/.sbt/1.0/plugins
[info] Loading project definition from /home/okuno/tmp/airframe-sealed-error-example/project
[warn] .env file not found (fileName=.env), no .env environment configured.
[info] Updating ProjectRef(uri("file:/home/okuno/tmp/airframe-sealed-error-example/project/"), "airframe-sealed-error-example-build")...
[info] Done updating.
[info] Loading settings for project root from build.sbt ...
[info] Set current project to airframe-sealed-error-example (in build file:/home/okuno/tmp/airframe-sealed-error-example/)
[warn] .env file not found (fileName=.env), no .env environment configured.
[info] Executing in batch mode. For better performance use sbt's shell
[info] Updating ...
[info] Done updating.
[info] Compiling 2 Scala sources to /home/okuno/tmp/airframe-sealed-error-example/target/scala-2.12/classes ...
[error] /home/okuno/tmp/airframe-sealed-error-example/src/main/scala/example/Service.scala:6:18: not found: type Adt
[error]   val adt = bind[Adt]
[error]                  ^
[error] one error found
[error] (Compile / compileIncremental) Compilation failed
[error] Total time: 1 s, completed Feb 16, 2020 9:41:39 PM

~/tmp/airframe-sealed-error-example master 11s
❯ uname -a
Linux Linux-2019-001 5.3.0-29-generic #31-Ubuntu SMP Fri Jan 17 17:27:26 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

~/tmp/airframe-sealed-error-example master
❯ java -version
openjdk version "1.8.0_212"
OpenJDK Runtime Environment (AdoptOpenJDK)(build 1.8.0_212-b03)
OpenJDK 64-Bit Server VM (AdoptOpenJDK)(build 25.212-b03, mixed mode)