docs: rand 0.9 RUSTFLAGS instruction

Author: Madoshakalaka

examples/README.md

@@ -15,6 +15,12 @@ cd examples/todomvc
 trunk serve --open
 ```
 
+Some examples using the `rand` crate require a special rust flag to be enabled:
+
+```bash
+RUSTFLAGS='--cfg getrandom_backend="wasm_js"' trunk serve --open
+```
+
 Some examples may perform better using the `release` profile. If something is slow, you can try running it with the `--release` argument.
 
 We're also publicly hosting the examples at `https://examples.yew.rs/<EXAMPLE>`.

examples/boids/README.md

@@ -27,5 +27,5 @@ The example uses [`gloo::timers`](https://docs.rs/gloo-timers/latest/gloo_timers
 Run this application with the trunk development server:
 
 ```bash
-trunk serve --open
-```
+RUSTFLAGS='--cfg getrandom_backend="wasm_js"' trunk serve --open
+```

examples/function_memory_game/README.md

@@ -19,5 +19,5 @@ Images are authorized by [@bradlygreen](https://github.com/bradlygreen), see [au
 Run this application with the trunk development server:
 
 ```bash
-trunk serve --open
-```
+RUSTFLAGS='--cfg getrandom_backend="wasm_js"' trunk serve --open
+```

examples/game_of_life/README.md

@@ -10,7 +10,7 @@ You can manually toggle cells by clicking on them or create a random layout by p
 This example is quite resource intensive; it's recommended that you only use it with the `--release` flag:
 
 ```bash
-trunk serve --release
+RUSTFLAGS='--cfg getrandom_backend="wasm_js"' trunk serve --release
 ```
 
 ## Concepts
@@ -23,5 +23,5 @@ trunk serve --release
 Run this application with the trunk development server:
 
 ```bash
-trunk serve --open
-```
+RUSTFLAGS='--cfg getrandom_backend="wasm_js"' trunk serve --open
+```

examples/keyed_list/README.md

@@ -23,5 +23,5 @@ Demonstrates how using keyed elements improves the performance of comparing chan
 Run this application with the trunk development server:
 
 ```bash
-trunk serve --open
-```
+RUSTFLAGS='--cfg getrandom_backend="wasm_js"' trunk serve --open
+```