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Improve documentation for core::fmt internals #74523

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Jul 20, 2020
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Improve documentation for core::fmt internals #74523

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4 changes: 4 additions & 0 deletions src/libcore/fmt/rt/v1.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -33,9 +33,13 @@ pub enum Alignment {
Unknown,
}

/// Used by [width](https://doc.rust-lang.org/std/fmt/#width) and [precision](https://doc.rust-lang.org/std/fmt/#precision) specifiers.
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#[derive(Copy, Clone)]
pub enum Count {
/// Specified with a literal number, stores the value
Is(usize),
/// Specified using `$` and `*` syntaxes, stores the index into `args`
Param(usize),
/// Not specified
Implied,
}