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Extend format_args implicit arguments to allow field access
- #3626
#3626
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joshtriplett
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Extend format_args implicit arguments to allow field access
#3626
joshtriplett
wants to merge 17 commits into
rust-lang:master
rust-lang/rfcs:master
from
joshtriplett:format-args-implicit-identifiers-dot
joshtriplett/rfcs:format-args-implicit-identifiers-dot
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Commits on May 6, 2024
RFC to extend format_args implicit arguments to allow field access
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RFC 3626
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Clarify the example desugaring
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Fix formatting
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a84773b
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Allow `.await`
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Evaluation happens exactly once
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Commits on May 7, 2024
No deduplication
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Mention side effects
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Clarify that allowing `.` is a purely syntactic choice
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Commits on Aug 25, 2025
Remove `.await`
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Add discussion of arbitrary expressions
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Commits on Nov 5, 2025
Add more information about `Deref`
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Commits on Nov 13, 2025
Implicit arguments use raw identifiers and may conflict with keywords
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Allow field references from named arguments
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Commits on Nov 14, 2025
Deduplicate identical field expressions, for now, for consistency with implicit named arguments without fields
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Change all "via an edition" to allow "or via a careful crater run"
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Add ordering and deduplication as an unresolved question
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