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Merge branch 'main' of github.com:roc-lang/examples into all_syntax_file
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‎.github/workflows/tests_alpha.yml‎

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on:
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pull_request:
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workflow_dispatch:
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name: Test examples without nix using alpha release
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# this cancels workflows currently in progress if you start a new one
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concurrency:
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group: ${{ github.workflow }}-${{ github.ref }}
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cancel-in-progress: true
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# Do not add permissions here! Configure them at the job level!
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permissions: {}
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jobs:
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test-examples:
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runs-on: ${{ matrix.operating-system }}
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strategy:
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matrix:
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operating-system: [ubuntu-22.04, ubuntu-24.04, ubuntu-24.04-arm, macos-13, macos-15]
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timeout-minutes: 90
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steps:
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- uses: actions/checkout@v4
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- name: Set OS-specific variables
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id: vars
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run: |
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if [[ "${{ matrix.operating-system }}" =~ ^ubuntu- ]]; then
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if [[ "${{ matrix.operating-system }}" =~ -arm$ ]]; then
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echo "os_pattern=linux_arm64" >> $GITHUB_OUTPUT
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else
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echo "os_pattern=linux_x86_64" >> $GITHUB_OUTPUT
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fi
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elif [ "${{ matrix.operating-system }}" = "macos-13" ]; then
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echo "os_pattern=macos_x86_64" >> $GITHUB_OUTPUT
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else
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echo "os_pattern=macos_apple_silicon" >> $GITHUB_OUTPUT
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fi
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- name: Download alpha release
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run: |
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curl -fOL https://github.com/roc-lang/roc/releases/download/alpha4-rolling/roc-${{ steps.vars.outputs.os_pattern }}-alpha4-rolling.tar.gz
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- name: rename alpha tar
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run: mv $(ls | grep "roc-.*tar\.gz") roc_alpha.tar.gz
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- name: decompress the tar
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run: tar -xzf roc_alpha.tar.gz
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- run: rm roc_alpha.tar.gz
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- name: simplify nightly folder name
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run: mv roc_nightly* roc_alpha
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- name: get short commit SHA
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run: echo "SHORT_COMMIT_SHA=$(./roc_alpha/roc version | grep -oP 'commit \K[a-f0-9]+' )" >> $GITHUB_ENV
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- name: Install dependencies (Ubuntu)
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if: startsWith(matrix.operating-system, 'ubuntu-')
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run: sudo apt install -y expect
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- name: Install dependencies (macOS)
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if: startsWith(matrix.operating-system, 'macos-')
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run: |
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brew install expect
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brew install z3
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- name: check if roc files are properly formatted
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run: ROC=./roc_alpha/roc ./ci_scripts/check_format.sh
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- run: ROC=./roc_alpha/roc ./ci_scripts/all_tests.sh
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- name: Checks if every folder in examples is mentioned in ./examples/index.md
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run: bash ./ci_scripts/check_index.sh

.github/workflows/tests.yml renamed to .github/workflows/tests_nightly.yml

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@@ -17,7 +17,7 @@ jobs:
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runs-on: ${{ matrix.operating-system }}
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strategy:
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matrix:
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operating-system: [ubuntu-22.04, ubuntu-24.04, ubuntu-24.04-arm, macos-13, macos-14]
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operating-system: [ubuntu-22.04, ubuntu-24.04, ubuntu-24.04-arm, macos-13, macos-15]
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timeout-minutes: 90
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steps:
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- uses: actions/checkout@v4
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echo "os_pattern=macos_apple_silicon" >> $GITHUB_OUTPUT
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fi
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- id: try_fetching_testing_release
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continue-on-error: true
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run: |
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curl -fOL https://github.com/roc-lang/roc/releases/download/nightly/roc_nightly-${{ steps.vars.outputs.os_pattern }}-TESTING.tar.gz
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- name: There are no TESTING releases, checking regular releases instead
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if: steps.try_fetching_testing_release.outcome == 'failure'
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- name: Download latest nightly release
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run: |
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curl -fOL https://github.com/roc-lang/roc/releases/download/nightly/roc_nightly-${{ steps.vars.outputs.os_pattern }}-latest.tar.gz
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brew install expect
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brew install z3
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- name: print runner CPU (Ubuntu)
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if: startsWith(matrix.operating-system, 'ubuntu-')
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run: lscpu
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- name: print runner CPU (macOS)
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if: startsWith(matrix.operating-system, 'macos-')
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run: sysctl -n machdep.cpu.brand_string
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- name: check if roc files are properly formatted
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run: ROC=./roc_nightly/roc ./ci_scripts/check_format.sh
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- run: ROC=./roc_nightly/roc ./ci_scripts/all_tests.sh
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- name: Checks if every folder in examples is mentioned in ./examples/index.md
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run: bash ./ci_scripts/check_index.sh
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run: bash ./ci_scripts/check_index.sh

‎.gitignore‎

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generate-build
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# example binaries
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examples/Arithmetic/main
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examples/IngestFiles/main
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examples/FizzBuzz/main
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examples/HelloWorld/main

‎ci_scripts/all_tests.sh‎

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$ROC build ./examples/HelloWorld/main.roc
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expect ci_scripts/expect_scripts/HelloWorld.exp
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$ROC build ./examples/Arithmetic/main.roc
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expect ci_scripts/expect_scripts/Arithmetic.exp
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$ROC build ./examples/FizzBuzz/main.roc
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$ROC test ./examples/FizzBuzz/main.roc
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expect ci_scripts/expect_scripts/FizzBuzz.exp
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$ROC build ./examples/CommandLineArgs/main.roc
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expect ci_scripts/expect_scripts/CommandLineArgs.exp
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$ROC build ./examples/Commands/main.roc
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expect ci_scripts/expect_scripts/Commands.exp
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$ROC build ./examples/CommandLineArgsFile/main.roc
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expect ci_scripts/expect_scripts/CommandLineArgsFile.exp
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$ROC build ./examples/DesugaringTry/main.roc
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$ROC test ./examples/DesugaringTry/main.roc
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expect ci_scripts/expect_scripts/DesugaringTry.exp
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$ROC build ./examples/TryOperatorDesugaring/main.roc
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$ROC test ./examples/TryOperatorDesugaring/main.roc
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expect ci_scripts/expect_scripts/TryOperatorDesugaring.exp
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$ROC build ./examples/Tuples/main.roc
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expect ci_scripts/expect_scripts/Tuples.exp
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$ROC test ./examples/TowersOfHanoi/Hanoi.roc
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$ROC build ./examples/Results/main.roc
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expect ci_scripts/expect_scripts/Results.exp
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$ROC test ./examples/ErrorHandlingBasic/ErrorHandlingBasic.roc
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$ROC build ./examples/ErrorHandling/main.roc
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expect ci_scripts/expect_scripts/ErrorHandling.exp
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$ROC build ./examples/ErrorHandlingRealWorld/main.roc
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expect ci_scripts/expect_scripts/ErrorHandlingRealWorld.exp
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$ROC build ./examples/LoopEffect/main.roc
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expect ci_scripts/expect_scripts/LoopEffect.exp
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$ROC build ./examples/Snake/main.roc
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$ROC test ./examples/Snake/main.roc
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expect ci_scripts/expect_scripts/Snake.exp
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$ROC test ./examples/RecordBuilder/DateParser.roc
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$ROC test ./examples/BasicDict/BasicDict.roc
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$ROC test ./examples/CustomInspect/OpaqueTypes.roc
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$ROC build ./examples/SortStrings/main.roc
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$ROC ./examples/SortStrings/main.roc
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expect ci_scripts/expect_scripts/SortStrings.exp
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# these examples don't work on macos and aarch64 linux yet #225 #226 #231
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if [[ "$(uname)" == "Linux" && "$(uname -m)" == "x86_64" ]]; then
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$ROC build --lib ./examples/GoPlatform/main.roc --output examples/GoPlatform/platform/libapp.so

‎ci_scripts/expect_scripts/Arithmetic.exp‎

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‎ci_scripts/expect_scripts/CommandLineArgs.exp‎

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set timeout 7
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source ./ci_scripts/expect_scripts/shared-code.exp
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spawn ./examples/CommandLineArgs/main some_argument
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expect "received argument: some_argument\r\n" {
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expect eof
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exit 0
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expect eof {
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check_exit_and_segfault
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}
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}
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puts stderr "\nError: output was different from expected value."

‎ci_scripts/expect_scripts/CommandLineArgsFile.exp‎

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set timeout 7
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source ./ci_scripts/expect_scripts/shared-code.exp
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spawn ./examples/CommandLineArgsFile/main examples/CommandLineArgsFile/input.txt
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expect "file content: 42\r\n" {
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expect eof
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exit 0
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expect eof {
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check_exit_and_segfault
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}
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}
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puts stderr "\nError: output was different from expected value."

‎ci_scripts/expect_scripts/Commands.exp‎

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#!/usr/bin/expect
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# uncomment line below for debugging
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# exp_internal 1
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set timeout 7
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source ./ci_scripts/expect_scripts/shared-code.exp
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spawn ./examples/Commands/main
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set expected_output [normalize_output {
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Hello
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\{stderr_utf8_lossy: "", stdout_utf8: "Hi
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"\}
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BAZ=DUCK
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FOO=BAR
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XYZ=ABC
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cat: non_existent.txt: No such file or directory
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Exit code: 1
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\{stderr_bytes: \[\], stdout_bytes: \[72, 105, 10\]\}
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}]
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expect $expected_output {
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expect eof {
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check_exit_and_segfault
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}
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}
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puts stderr "\nError: output was different from expected value."
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exit 1

‎ci_scripts/expect_scripts/DotNetPlatform.exp‎

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set timeout 30
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source ./ci_scripts/expect_scripts/shared-code.exp
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cd "./examples/DotNetPlatform/platform/"
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spawn dotnet run
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expect "Hello from .NET!\r\n" {
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expect "Hi from roc! (in a .NET platform) 🔥🦅🔥\r\n" {
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expect eof
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exit 0
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expect eof {
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check_exit_and_segfault
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}
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}
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}
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‎ci_scripts/expect_scripts/ElmFrontendRocBackend.exp‎

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set timeout 7
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source ./ci_scripts/expect_scripts/shared-code.exp
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spawn ./examples/ElmWebApp/backend
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cd ./examples/ElmWebApp/frontend

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