dart_native_annoy

Description:

dart native annoy

dart_native_annoy #
#
Annoy (Approximate Nearest Neighbors Oh Yeah) #
This is a dart binding to rust annoy
import 'dart:ffi';
import 'package:dart_native_annoy/annoy.dart';

/// Creat factory from DynamicLibrary
final fac = AnnoyIndexFactory(lib: DynamicLibrary.open('libru_annoy.so'));

/// Load index
final index = indexFactory.loadIndex(
'index.euclidean.5d.ann', 5, IndexType.Euclidean)!;

print('size: ${index.size}');

final v3 = index.getItemVector(3);

final nearest = index.getNearest(v0, 5, includeDistance: true);
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To get more examples
Go to unit test
To run unit tests #
pub get && dart run test
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To build native lib (libru_annoy.so) #
install rust
curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
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go to RuAnnoy directory, run
cargo build --release --all-features
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to cross compile to different target
cargo lipo --release --targets=aarch64-apple-ios,x86_64-apple-ios,armv7-apple-ios,armv7s-apple-ios
cargo build --target aarch64-linux-android --release
cargo build --target armv7-linux-androideabi --release
cargo build --target i686-linux-android --release
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The shared library will be under target/release . It would be libru_annoy.so, ru_annoy.dll, libru_annoy.dylib on linux, windows, osx respectively.