Design Patterns MCP Server

{ "id": "calldata-over-memory", "name": "Calldata Over Memory", "category": "Gas Optimization", "description": "Use calldata for read-only function parameters Problem: Memory parameters cost more gas", "when_to_use": "Use calldata for external function array/struct parameters", "benefits": "Cheaper than memory for external functions", "drawbacks": "Read-only, only for external functions", "use_cases": "External functions with array/struct parameters", "complexity": "Low", "tags": [ "gas-optimization", "calldata", "memory", "solidity" ], "examples": { "solidity": { "language": "solidity", "code": "function processBatch(uint256[] calldata ids) external {\n // calldata is cheaper than memory for external functions\n for (uint256 i = 0; i < ids.length; i++) {\n process(ids[i]);\n }\n}" } } }