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# Guiding principles and rationale
When deciding on style guidelines, the style team follows these guiding
principles (in rough priority order):
- readability
- scan-ability
- avoiding misleading formatting
- accessibility - readable and editable by users using the widest
variety of hardware, including non-visual accessibility interfaces
- readability of code in contexts without syntax highlighting or IDE
assistance, such as rustc error messages, diffs, grep, and other
plain-text contexts
- aesthetics
- sense of 'beauty'
- consistent with other languages/tools
- specifics
- compatibility with version control practices - preserving diffs,
merge-friendliness, etc.
- preventing rightward drift
- minimising vertical space
- application
- ease of manual application
- ease of implementation (in `rustfmt`, and in other tools/editors/code generators)
- internal consistency
- simplicity of formatting rules
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