brush-shell 0.4.0

Rust-implemented shell focused on POSIX and bash compatibility
Documentation 
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name: "Builtins: eval"
cases:
  - name: "Basic eval usage"
    stdin: |
      eval 'echo 1 + 1 == $((1 + 1))'

  - name: "eval with return in function"
    stdin: |
      f() {
        eval 'return 42'
        echo "Should not reach here"
      }
      f
      echo "Exit code: $?"

  - name: "eval with exit"
    stdin: |
      eval 'exit 42'
      echo "After eval'd exit"

  - name: "eval with break in loop"
    stdin: |
      for i in 1 2 3; do
        eval 'break'
        echo "After eval'd break"
      done
      echo "After loop"

  - name: "eval with continue in loop"
    stdin: |
      for i in 1 2 3; do
        echo "Iteration $i"
        eval 'continue'
        echo "After eval'd continue"
      done
      echo "After loop"

  - name: "eval with nested break levels"
    stdin: |
      for i in 1 2; do
        for j in a b c; do
          eval 'break 2'
          echo "After eval'd break (inner loop)"
        done
        echo "After eval'd break (outer loop)"
      done
      echo "After outer loop"