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Expose logging levels #459

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merged 4 commits into from
Nov 15, 2021
Merged

Expose logging levels #459

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a1f1748
Make log level names array public
WaDelma Aug 27, 2021
0355d57
Instead of making array public add iterator methods
WaDelma Oct 27, 2021
299d3bc
Fixed a bug in Level::iter implementation
WaDelma Oct 27, 2021
05532fa
Added documentation on the order of iteration
WaDelma Nov 5, 2021
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14 changes: 14 additions & 0 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -560,6 +560,13 @@ impl Level {
pub fn as_str(&self) -> &'static str {
LOG_LEVEL_NAMES[*self as usize]
}

/// Iterate through all supported logging levels
///
/// The order of iteration is from more severe to less severe log messages
pub fn iter() -> impl Iterator<Item = Self> {
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It might be worth documenting something about the order of these fields. Using from_usize we’re effectively returning them in priority order.

What do you think?

(1..).flat_map(Self::from_usize)
}
}

/// An enum representing the available verbosity level filters of the logger.
Expand Down Expand Up @@ -722,6 +729,13 @@ impl LevelFilter {
pub fn as_str(&self) -> &'static str {
LOG_LEVEL_NAMES[*self as usize]
}

/// Iterate through all supported filtering levels
///
/// The order of iteration is from less to more verbose filtering
pub fn iter() -> impl Iterator<Item = Self> {
(0..).flat_map(Self::from_usize)
}
}

#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug)]
Expand Down