Go Advent Of Code 2024

Solutions for 2024 Advent Of Code challenges in Golang

Challenge solutions are in tests as assertions:

func TestSolveFirstPartWithFile(t *testing.T) {
	var fileBytes, _ = os.ReadFile("input.txt")
	var actual = TotalDistanceBetweenListsElements(string(fileBytes))
	assert.Equal(t, 1530215, actual)
}

---

Docker-only dev setup

Use temporary container with current directory volume:

$ docker run --rm -it -v $PWD:/app -w /app golang:1.23.3 bash
# go install github.com/mfridman/tparse@latest

and run tests with

# go test ./... -json | tparse
# go test ./day01 -json | tparse --all
# go test ./day02 -run TestRunSingleTest -json | tparse --all

VSCode Dev Container setup

VSCode can use devcontainers to be configured with the proper extensions without language specific utilities locally installed.

In order to proceed, install the related extension (ms-vscode-remote.remote-containers) and reopen vscode in Dev Container mode.

the first run can take some minutes to install and setup properly container and vscode extensions

If you want to open an additional bash session in the vscode container:

$ docker exec -it -w /workspaces/$(basename $PWD) <container-name> bash
# go test .....