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docs: distinguish binding and pointee mutability

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Valdemar Høgsvig Lorenzen
2026-10-27 11:06:06 +01:00
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docs/style.md
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@@ -10,7 +10,7 @@ these guidelines apply to Honey programs, the compiler, and the standard library
## bindings and types ## bindings and types
- prefer `::` for bindings that stay fixed; use `:=` for bindings that change, including values mutated through pointers. - prefer `::` when the bound value stays fixed; use `:=` when the bound value changes. mutation through a mutable pointer or slice does not require rebinding and is not, by itself, a reason to use `:=`.
- infer types when the initializer makes the intended type clear. write an explicit type when it determines representation, mutability, or a public contract. - infer types when the initializer makes the intended type clear. write an explicit type when it determines representation, mutability, or a public contract.
- request mutable pointers and slices only when the operation needs to modify their contents. - request mutable pointers and slices only when the operation needs to modify their contents.
- give aggregates meaningful defaults. use `undefined` only when every value that can be read is assigned first. - give aggregates meaningful defaults. use `undefined` only when every value that can be read is assigned first.