onflow/cadence v0.12.0

on GitHub

⭐ Features

• Add getType function (#493): It is now possible to get the run-time type of a value
• Flush the cache of the storage before querying the used storage amount (#480)
• Structured type identifiers (#477)
• Allow host environment to predeclare values, predicated on location (#472)
• Add a visitor for interpreter values (#449)
• Add support for imports in WASM writer and reader (#368)
• Add support for coverage reports (#465)
• Add storage fields to accounts (#439)
• Implement fmt.Stringer for cadence.Value (#434)
• Add a function to parse a literal with a given target type (#417)

🛠 Improvements

• Extend event parameter types and dictionary key types (#497)
• Optimize composite and interface static types (#489)
• Optimize composite values (#488)
• Fix the export of static types (#487)
• Improve error pretty printing (#481)
• Improve fixed-point multiplication and division (#490)
• Improve error messages for contract deployment name argument checks (#475)
• Add a test for decoding a struct with an address location without name (#469)
• Refactor address locations, make composite decoding backwards-compatible (#457)
• Improve error message when there are constructor argument (#455)
• Make AST thread-safe (#440)
• Add position information to interpreter errors (#424)

🐞 Bug Fixes

• Declare new contract's nested values before evaluating initializer (#504)
• Infer address location name from type ID for static types (#468)
• Fix optional value's type function (#458)
• Don't use the cache when deploying or updating account code (#447)
• Properly handle unspecified variable kind (#441)
• Prevent resource loss in failable downcasts (#426)

💥 Breaking Changes

This release contains no source-breaking changes for Cadence programs, but the following breaking changes when embedding Cadence:

• Structured type identifiers (#477)
• Add error return value to all interface methods (#470)

📖 Documentation

• Document that references are not storable and suggest using capabilities (#478)
• Update the diagram illustrating the architecture of the runtime (#476)
• Document the current options for syntax highlighting (#444)