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Add extra devices iterator type alias #819

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Add extra devices iterator type alias #819

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7 changes: 5 additions & 2 deletions src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -182,11 +182,14 @@ pub mod platform;
mod samples_formats;
pub mod traits;

/// Iterator of devices wrapped in a filter to only include certain device types
pub type DevicesFiltered<I> = std::iter::Filter<I, fn(&<I as Iterator>::Item) -> bool>;

/// A host's device iterator yielding only *input* devices.
pub type InputDevices<I> = std::iter::Filter<I, fn(&<I as Iterator>::Item) -> bool>;
pub type InputDevices<I> = DevicesFiltered<I>;

/// A host's device iterator yielding only *output* devices.
pub type OutputDevices<I> = std::iter::Filter<I, fn(&<I as Iterator>::Item) -> bool>;
pub type OutputDevices<I> = DevicesFiltered<I>;

/// Number of channels.
pub type ChannelCount = u16;
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