davecgh/go-spew
Go Spew
go-spew is a deep inspection library and debugging utility for Go. It functions as a data structure pretty printer that renders complex, nested types into human-readable strings with indentation and type information.
The library provides specialized capabilities for visualizing internal program states, including the ability to dump data structures with pointer addresses and map keys. It includes a configuration system to adjust printing behavior, such as limiting recursion depth and setting indentation.
The tool uses reflection-based type inspection and recursive tree traversal to handle nested structures. It ensures consistent output through deterministic map key sorting and prevents infinite loops using cyclic reference detection.
Features
- Go Variable Inspection - Provides detailed variable state printing to help developers find and fix bugs in Go applications.
- Data Pretty Printers - Functions as a pretty printer that renders complex Go data structures into human-readable strings with indentation.
- Iterative and Recursive Traversals - Recursively traverses pointers, slices, and maps to produce a comprehensive deep-print representation of Go types.
- Deep Inspection Libraries - Implements a formatter that traverses nested Go types to output detailed representations including pointers and map keys.
- Go Debugging Utilities - Provides a specialized library for inspecting variable states and deep nested structures within Go applications.
- Go Type Visualization - Converts complex nested Go types and pointer addresses into a readable format for easier program state analysis.
- Circular Reference Detection - Prevents infinite loops when printing self-referential data structures by tracking visited pointer identities.
- Value Inspection - Uses the reflect package to dynamically examine the underlying types and values of Go data structures at runtime.
- Structured Text Pretty-Printing - Produces detailed, indented representations of complex Go structures to facilitate human-readable debugging.
- Data Structure Dumping - Produces detailed data representations including newlines, indentation, and pointer information for state inspection.
- Formatting Configurations - Provides user-defined settings to control indentation and detail levels for data structure formatting.
- Printing Behavior Configurations - Includes a configuration system to adjust data visualization by setting indentation and limiting recursion depth.
- Go Development Workflows - Supports rapid prototyping by allowing developers to dump internal data structures to the console for verification.
- Deterministic Map Sorting - Ensures reproducible debug output by iterating through map keys in a deterministic sorted order.
- Logging - Pretty-printer for Go data structures.
- Debugging And Profiling - Pretty-prints variables for debugging.
- Logging Libraries - Deep pretty-printer for debugging data structures.
Star history
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