librustc: Implement the proc type as sugar for ~once fn, and disable
#10132
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notation for closures, and disable the feature gate for `once fn` if used with the `~` sigil.
bors
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Oct 29, 2013
the feature gate for `once fn` if used with the `~` sigil. r? @brson
flip1995
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Feb 10, 2023
[`unused_io_amount`]: Lint with `is_ok` and `is_err` Fixes rust-lang#10132 changelog: Apply [`unused_io_amount`] lint to `is_ok` and `is_err` without checking read/write amount
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the feature gate for
once fnif used with the~sigil.r? @brson