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Explain Cairo Felt252Dict usage, insert/get/entry patterns, and dictionary squashing; use when a request involves key-value storage, dictionary performance, or borrow/ownership rules for dictionaries in Cairo.
Codex 또는 Claude로 설치 이 Prompt를 복사해 Codex, Claude 또는 다른 어시스턴트에 붙여 넣으면 Skill 페이지를 검토하고 설치를 진행할 수 있습니다.
SOC 직업 분류 기준
Document Cairo language quirks, gotchas, and idiomatic workarounds; use when encountering unexpected compilation errors or behaviors in Cairo that differ from Rust.
Guide implementing custom numeric types in Cairo with invariant enforcement, overflow safety, and standard trait implementations; use when implementing fixed-point, signed integers, or other numeric primitives.
Explain how to write and run Cairo tests, including `#[test]`, assert macros, `#[should_panic]`, `#[ignore]`, and `#[available_gas]`; use when a request involves writing or running unit tests in Cairo.
Explain Cairo Array usage, ArrayTrait methods, array! macro, Span, and array read/write constraints; use when a request involves creating, updating, reading, or passing arrays in Cairo.
Explain Cairo associated items (functions, types, constants, implementations) in traits and impls; use when a request involves associated types, constants, or clarifying trait item placement in Cairo.
Explain Cairo closures, syntax, capture rules, type inference, and Fn traits; use when a request involves anonymous functions or passing behavior as a parameter in Cairo.
| name | cairo-dictionaries |
| description | Explain Cairo Felt252Dict usage, insert/get/entry patterns, and dictionary squashing; use when a request involves key-value storage, dictionary performance, or borrow/ownership rules for dictionaries in Cairo. |
Guide correct creation and use of Cairo dictionaries with proper ownership and performance notes.
references/dictionaries.md before answering.Felt252Dict plus Felt252DictTrait methods.Felt252Dict::<T>::default() to initialize.insert and get for basic operations; use entry/finalize for advanced patterns.felt252 and values are generic T.get return a default value sometimes?"