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- internal/repl/repl_test.go: Remove unused state variable assignments
- internal/rpn/rpn_test.go: Remove unused result/err variable assignments
These changes address golangci-lint 'ineffectual assignment' warnings.
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- Added 'SPDX-License-Identifier: MIT' and 'Copyright (c) 2026 Paul Buetow' headers
- Files updated: 24 .go files across cmd/gt/, internal/calculator/, internal/repl/, internal/rpn/
The MIT license from LICENSE file is reflected in all source files.
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- Enhanced NewREPL documentation with detailed parameter descriptions
- Enhanced RunREPL documentation clarifying it's a convenience wrapper
- Improved executor documentation explaining backward compatibility and testing usage
- Enhanced defaultExecutor documentation with input processing details and panic recovery
- Enhanced defaultCompleter documentation with tab-completion behavior details
- Enhanced defaultGetCommandDescription documentation with command description details
- Improved TTYChecker methods (IsTTY, EnsureTTY) documentation
- Improved SignalHandler.Start method documentation
All exported and non-exported functions in the REPL package now have comprehensive documentation comments that describe their purpose, parameters, and return values.
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- Add TestDefaultExecutorCodePaths to test all code paths in defaultExecutor
- Improve TestDefaultCompleter to test with multiple input prefixes
- Add comprehensive test for unknown commands, built-in commands, and edge cases
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- Add RPN (Reverse Polish Notation) calculator with stack-based operations
- Support precise rational number calculations using *big.Rat
- Implement chain of responsibility pattern for command handling
- Add auto-completion for built-in commands
- Add history persistence with configurable max entries
- Support standard operators: +, -, *, /, ^, %, lg, log, ln
- Support hyper operators: [+], [-], [*], [/], [^], [%], [lg], [log], [ln]
- Support stack manipulation: dup, swap, pop, show
- Support variable assignments and management
- Add rat mode for switching between float64 and rational calculations
- Refactor calculator to return Calculation struct with formatting
- Add proper version support (v0.3.0)
All changes follow Go best practices with comprehensive test coverage.
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- Add comprehensive unit tests for REPL package
- Add completer logic tests to cover edge cases
- Integrate RPN as fallback in calculator.Parse()
- Add ParseRPN function to calculator package
- Add tests for RPN fallthrough path
The changes bring overall test coverage from ~70% to 81.9%.
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- 21 test functions covering version, calc, rpn subcommands
- Tests for assignment, percentage calculations, error handling, repl mode
- Coverage: runCommand 91.7%, runRPN 100%, printUsage 100%
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