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236} 236}
237``` 237```
238 238
239## Variable Naming
240
241We generally use boring and long names for local variables ([yay code completion](https://github.com/rust-analyzer/rust-analyzer/pull/4162#discussion_r417130973)).
242The default name is lowercased named of the type: `global_state: GlobalState`.
243Avoid ad-hoc acronyms and contractions, but use the ones that exist consistently (`db`, `ctx`, `acc`).
244The default name for "result of the function" local variable is `res`.
245
239## Preconditions 246## Preconditions
240 247
241Function preconditions should generally be expressed in types and provided by the caller (rather than checked by callee): 248Function preconditions should generally be expressed in types and provided by the caller (rather than checked by callee):