[Module Audit] Yog.IO.GDF

[code-shoily]

Module

Yog.IO.GDF

Goal

Audit and harden this module for the YogEx 1.0 stabilization pass.

API review

• Public function names are consistent with related modules
• Argument order is consistent
• Options are documented and validated
• Return values are documented
• Error values are documented
• Typespecs match implementation

Edge cases

• Empty graph
• Single-node graph
• Missing source/target nodes, if applicable
• Disconnected graph, if applicable
• Directed graph behavior
• Undirected graph behavior
• Self-loops
• Parallel edges or multigraph semantics, if applicable
• Duplicate inputs
• Invalid options
• Weight-specific cases, if applicable

Tests

• Unit tests cover happy paths
• Regression tests cover known edge cases
• Property tests added or reviewed
• Oracle tests added or reviewed, if applicable
• Doctests pass

Docs

• @moduledoc explains purpose and caveats
• Public docs include examples
• Complexity is documented
• ALGORITHMS.md is accurate
• PROPERTIES.md is updated, if applicable
• CHANGELOG.md is updated, if behavior changed

Performance

• Obvious avoidable inefficiencies reviewed
• Complexity comments match implementation
• Known performance cliffs documented

Validation

• Focused tests run
• Full test suite run if module is central
• Docs build if docs changed

Notes

Add findings, decisions, and follow-up issues here.