fix naming and reorganize examples

Cargo.toml

@@ -5,7 +5,7 @@ members = [
     "talc",
     "benchmarks",
     "fuzz",
-    "std_examples",
+    "stable_examples",
     "wasm-perf",
     "wasm-size",
 ]

stable_examples/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "stable_examples"
+version = "0.0.0"
+edition = "2021"
+publish = false
+
+[dev-dependencies]
+allocator-api2 = "0.2.18"
+spin = "0.9.8"
+
+# put talc into a stable-compatible configuration
+# TODO: make talc's features stable-by-default
+[dev-dependencies.talc]
+path = "../talc"
+default-features = false
+features = ["lock_api", "allocator-api2"]

std_examples/std_allocator_api.rs → stable_examples/examples/stable_allocator_api.rs

@@ -3,6 +3,9 @@ use allocator_api2::vec::Vec;
 
 // This uses the `allocator-api2` crate to compile successfully on stable Rust.
 
+// Run with:
+// `cargo +stable run -p stable_examples --example stable_allocator_api`
+
 fn main() {
     // Establish some memory for the allocator.
     let mut arena = [0u8; 10000];