std: make vec!() macro handle a trailing comma #13278
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src/libstd/macros.rs
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In order to prevent duplication, could you change this to:
($($e:expr),+,) => (vec!($($e),+))
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This can also be written as `$($e:expr,)+
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Well, I thought it is less confusing in this way. Is there any non-cosmetic downside (e.g. macro invocation parser does not like it)?
Jarcho
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Aug 24, 2024
Misc cleanup changelog: none
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Fixes #12910.