Update example for share I18n in entire workspace (#80)

Based on real world uses: huacnlee/zed#3

Update example to embed I18n in single crate, and share it in entire
workspace.

Author: huacnlee

Makefile

@@ -11,4 +11,4 @@ release:
 test:
 	cargo test --workspace
 	cargo test --manifest-path examples/app-workspace/Cargo.toml --workspace
-	cargo test --manifest-path examples/share-locales-in-workspace/Cargo.toml --workspace
+	cargo test --manifest-path examples/share-in-workspace/Cargo.toml --workspace

examples/app-egui/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-eframe = "0.25.0"
+eframe = "0.27.2"
 env_logger = { version = "0.11", optional = true }
 log = { version = "0.4", optional = true }
 rust-i18n = { path = "../.." }

examples/share-in-workspace/Cargo.toml

@@ -0,0 +1,12 @@
+name = "sare-locales-in-workspace"
+
+[workspace]
+members = [
+  "crates/my-app1",
+  "crates/my-app2",
+  "crates/i18n"
+]
+
+[workspace.dependencies]
+rust-i18n = { path = "../../" }
+i18n = { path = "crates/i18n" }

examples/share-in-workspace/README.md

@@ -0,0 +1,13 @@
+# An example of share I18n translations between crates.
+
+This example is shows how to share I18n translations between crates. We only embed the translations into `i18n` crate once, and then share them with other crates.
+
+Unlike use `rust_i18n::i18n!` macro to load translations in each crate, we just only load translations in `i18n` crate, it will save memory and reduce the size of the final binary.
+
+本示例展示了如何在不同的 crate 之间共享 I18n 翻译。我们只需要在 `i18n` crate 中嵌入翻译一次，然后就可以在其他 crate 中共享它们。
+
+与在每个 crate 中使用 `rust_i18n::i18n!` 宏加载翻译不同，我们只需要在 `i18n` crate 中加载翻译，这样可以节省内存并减小最终二进制文件的大小。
+
+- [i18n](crate/i18n) - Used to load and share translations, and provide a macro to get translations.
+- [my-app1](crate/my-app1) - An example of using `i18n` crate to get translations.
+- [my-app2](crate/my-app2) - Another example of using `i18n` crate to get translations.

examples/share-locales-in-workspace/my-i18n/Cargo.toml examples/share-in-workspace/crates/i18n/Cargo.toml

@@ -1,7 +1,7 @@
 [package]
 edition = "2021"
-name = "my-i18n"
+name = "i18n"
 version = "0.1.0"
 
 [dependencies]
-rust-i18n = { path = "../../.." }
+rust-i18n.workspace = true

examples/share-locales-in-workspace/my-i18n/src/lib.rs examples/share-in-workspace/crates/i18n/src/lib.rs

@@ -1,6 +1,6 @@
 use rust_i18n::Backend;
 
-rust_i18n::i18n!("../locales");
+rust_i18n::i18n!("../../locales");
 
 pub struct I18nBackend;
 
@@ -18,3 +18,13 @@ impl Backend for I18nBackend {
         }
     }
 }
+
+#[macro_export]
+macro_rules! init {
+    () => {
+        rust_i18n::i18n!(backend = i18n::I18nBackend);
+    };
+}
+
+pub use rust_i18n::set_locale;
+pub use rust_i18n::t;

examples/share-locales-in-workspace/my-app1/Cargo.toml examples/share-in-workspace/crates/my-app1/Cargo.toml

@@ -4,5 +4,5 @@ name = "my-app1"
 version = "0.1.0"
 
 [dependencies]
-rust-i18n = { path = "../../.." }
-my-i18n.workspace = true
+rust-i18n.workspace = true
+i18n.workspace = true

examples/share-in-workspace/crates/my-app1/src/lib.rs

@@ -0,0 +1,23 @@
+use i18n::t;
+
+i18n::init!();
+
+#[allow(dead_code)]
+fn assert_messages() {
+    assert_eq!(
+        t!("welcome", locale = "en"),
+        "Rust I18n Example for share locales in entire workspace."
+    );
+    assert_eq!(
+        t!("welcome", locale = "zh-CN"),
+        "Rust I18n 示例，用于在整个工作区中共享本地化。"
+    );
+}
+
+#[cfg(test)]
+mod tests {
+    #[test]
+    fn test_load_str() {
+        super::assert_messages();
+    }
+}

examples/share-locales-in-workspace/my-app2/Cargo.toml examples/share-in-workspace/crates/my-app2/Cargo.toml

@@ -4,5 +4,5 @@ name = "my-app2"
 version = "0.1.0"
 
 [dependencies]
-rust-i18n = { path = "../../.." }
-my-i18n.workspace = true
+rust-i18n.workspace = true
+i18n.workspace = true

examples/share-locales-in-workspace/my-app2/src/lib.rs examples/share-in-workspace/crates/my-app2/src/lib.rs

@@ -1,4 +1,4 @@
-rust_i18n::i18n!(backend = my_i18n::I18nBackend);
+i18n::init!();
 
 #[cfg(test)]
 mod tests {