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Lower the precedence of expressions containing outer attrs #1785

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merged 2 commits into from
Nov 29, 2024

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@dtolnay dtolnay commented Nov 29, 2024

thing.field does not need parentheses around thing, but (#[attr] thing).field does. So the presence of outer attributes is relevant to the effective precedence of a subexpression.

    ---- test_fixup stdout ----
    thread 'test_fixup' panicked at tests/test_expr.rs:716:9:
    original: (# [attr] thing) . field
    reconstructed: # [attr] thing . field
@dtolnay dtolnay merged commit 1cf735e into master Nov 29, 2024
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@dtolnay dtolnay deleted the attrprecedence branch November 29, 2024 21:18
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