Merge #883

883: Property support for std collection types r=Bromeon a=ironpeak

Implemented the `Export` trait for `HashMap`, `HashSet` (new) and `Vec` so that they can be exported.

The PR also includes an example project using the types as properties.

Co-authored-by: Hrafn Orri Hrafnkelsson <HrafnOrri@BitCrow.net>
Co-authored-by: Jan Haller <bromeon@gmail.com>

Author: 3 people

Cargo.toml

@@ -16,7 +16,8 @@ members = [
     "examples/resource",
     "examples/native-plugin",
     "examples/rpc",
-    "examples/array-export",
+    "examples/builder-export",
+    "examples/property-export",
     "impl/proc-macros"
 ]
 

README.md

@@ -111,7 +111,8 @@ The [/examples](https://github.com/godot-rust/godot-rust/tree/master/examples) d
 - [**hello-world**](https://github.com/godot-rust/godot-rust/tree/master/examples/hello-world) - Your first project, writes to the console.
 - [**spinning-cube**](https://github.com/godot-rust/godot-rust/tree/master/examples/spinning-cube) - Spin our own node in place, exposing editor properties.
 - [**scene-create**](https://github.com/godot-rust/godot-rust/tree/master/examples/scene-create) - Load, instance and place scenes using Rust code.
-- [**array-export**](https://github.com/godot-rust/godot-rust/tree/master/examples/array-export) - Export more complex properties (here arrays) from Rust.
+- [**builder-export**](https://github.com/godot-rust/godot-rust/tree/master/examples/builder-export) - Export using the builder API.
+- [**property-export**](https://github.com/godot-rust/godot-rust/tree/master/examples/property-export) - Export complex properties such as collections.
 - [**dodge-the-creeps**](https://github.com/godot-rust/godot-rust/tree/master/examples/dodge-the-creeps) - A Rust port of the [little Godot game](https://docs.godotengine.org/en/stable/getting_started/step_by_step/your_first_game.html).
 - [**signals**](https://github.com/godot-rust/godot-rust/tree/master/examples/signals) - Connect and emit signals.
 - [**resource**](https://github.com/godot-rust/godot-rust/tree/master/examples/resource) - Create and use custom resources.

examples/array-export/array_export_library.gdnlib

@@ -1,5 +1,5 @@
 [package]
-name = "array-export"
+name = "builder-export"
 version = "0.1.0"
 authors = ["The godot-rust developers"]
 edition = "2021"

examples/array-export/Cargo.toml renamed to examples/builder-export/Cargo.toml

@@ -1,6 +1,6 @@
 [gd_resource type="NativeScript" load_steps=2 format=2]
 
-[ext_resource path="res://array_export_library.gdnlib" type="GDNativeLibrary" id=1]
+[ext_resource path="res://builder_export_library.gdnlib" type="GDNativeLibrary" id=1]
 
 [resource]
 resource_name = "ExportsArrays"

examples/array-export/ExportsArrays.gdns renamed to examples/builder-export/ExportsArrays.gdns

@@ -0,0 +1,17 @@
+[entry]
+
+X11.64="res://../../target/debug/libbuilder_export.so"
+OSX.64="res://../../target/debug/libbuilder_export.dylib"
+Windows.64="res://../../target/debug/builder_export.dll"
+
+[dependencies]
+
+X11.64=[  ]
+OSX.64=[  ]
+
+[general]
+
+singleton=false
+load_once=true
+symbol_prefix="godot_"
+reloadable=true