58 lines
1.5 KiB
Rust
58 lines
1.5 KiB
Rust
use std::{fmt::Debug, future::Future};
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use conduit::implement;
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use futures::stream::StreamExt;
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use serde::Serialize;
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/// Count the total number of entries in the map.
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#[implement(super::Map)]
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#[inline]
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pub fn count(&self) -> impl Future<Output = usize> + Send + '_ { self.raw_keys().count() }
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/// Count the number of entries in the map starting from a lower-bound.
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///
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/// - From is a structured key
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#[implement(super::Map)]
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#[inline]
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pub fn count_from<'a, P>(&'a self, from: &P) -> impl Future<Output = usize> + Send + 'a
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where
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P: Serialize + ?Sized + Debug + 'a,
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{
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self.keys_from_raw(from).count()
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}
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/// Count the number of entries in the map starting from a lower-bound.
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///
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/// - From is a raw
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#[implement(super::Map)]
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#[inline]
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pub fn raw_count_from<'a, P>(&'a self, from: &'a P) -> impl Future<Output = usize> + Send + 'a
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where
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P: AsRef<[u8]> + ?Sized + Debug + Sync + 'a,
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{
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self.raw_keys_from(from).count()
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}
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/// Count the number of entries in the map matching a prefix.
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///
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/// - Prefix is structured key
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#[implement(super::Map)]
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#[inline]
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pub fn count_prefix<'a, P>(&'a self, prefix: &P) -> impl Future<Output = usize> + Send + 'a
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where
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P: Serialize + ?Sized + Debug + 'a,
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{
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self.keys_prefix_raw(prefix).count()
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}
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/// Count the number of entries in the map matching a prefix.
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///
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/// - Prefix is raw
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#[implement(super::Map)]
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#[inline]
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pub fn raw_count_prefix<'a, P>(&'a self, prefix: &'a P) -> impl Future<Output = usize> + Send + 'a
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where
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P: AsRef<[u8]> + ?Sized + Debug + Sync + 'a,
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{
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self.raw_keys_prefix(prefix).count()
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}
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