New format_args!() and fmt::Arguments implementation - #148789

Merged

bors merged 18 commits into

rust-lang:mainfrom

m-ou-se:new-fmt-args-alt

Nov 13, 2025

Commits on Nov 12, 2025

Expose expr_unsafe in LoweringContext.
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756751b
New format_args!()+fmt::Arguments implementation.
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d66d15b
Bless tests.
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7b42543
Make clippy happy.
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be7a559
Remove the 'always set' bit from FormattingOptions.
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564c78f
Don't encode zero width or precision in fmt string.
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560b12d
Document fmt::Arguments internal representation.
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04c5e7b
Bless clippy tests.
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ef1e3ca
Clarify internal fmt::Arguments documentation.
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3f85b01
Change assert to span_err.
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f92c5f1
Allow larger string pieces in fmt::Arguments repr.
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8b20d0d
Bless coverage tests.
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9b48431
Fix comment about potential niche in FormattingOptions.
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fda0301
Add debug assert.
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832a525
Clarify comment.
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2a14add
Add comment.
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83a0d71
Bless clippy tests.
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e9d212d
Simplify loop in format_args lowering.
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cfbdc2c