add support for compact_str crate

Cargo.lock

@@ -191,6 +191,21 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "compact_str"
+version = "0.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3b79c4069c6cad78e2e0cdfcbd26275770669fb39fd308a752dc110e83b9af32"
+dependencies = [
+ "castaway",
+ "cfg-if",
+ "itoa",
+ "rustversion",
+ "ryu",
+ "serde",
+ "static_assertions",
+]
+
 [[package]]
 name = "darling"
 version = "0.20.10"
@@ -326,7 +341,7 @@ version = "0.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6a989bd2fd12136080f7825ff410d9239ce84a2a639487fc9d924ee42e2fb84f"
 dependencies = [
- "compact_str",
+ "compact_str 0.7.1",
  "garde_derive",
  "once_cell",
  "regex",
@@ -837,6 +852,7 @@ dependencies = [
  "bigdecimal",
  "bytes",
  "chrono",
+ "compact_str 0.8.1",
  "dyn-clone",
  "either",
  "garde",

schemars/Cargo.toml

@@ -32,6 +32,7 @@ smallvec1 = { version = "1.0", default-features = false, optional = true, packag
 smol_str02 = { version = "0.2.1", default-features = false, optional = true, package = "smol_str" }
 url2 = { version = "2.0", default-features = false, optional = true, package = "url" }
 uuid1 = { version = "1.0", default-features = false, optional = true, package = "uuid" }
+compact_str08 = { version = "0.8", default-features = false, optional = true, package = "compact_str" }
 
 [dev-dependencies]
 pretty_assertions = "1.2.1"
@@ -54,6 +55,7 @@ rust_decimal1 = { version = "1", default-features = false, features = ["serde"],
 semver1 = { version = "1.0.9", default-features = false, features = ["serde"], package = "semver" }
 smallvec1 = { version = "1.0", default-features = false, features = ["serde"], package = "smallvec" }
 smol_str02 = { version = "0.2.1", default-features = false, features = ["serde"], package = "smol_str" }
+compact_str08 = { version = "0.8", default-features = false, features = ["serde"], package = "compact_str" }
 url2 = { version = "2.0", default-features = false, features = ["serde"], package = "url" }
 uuid1 = { version = "1.0", default-features = false, features = ["serde"], package = "uuid" }
 

schemars/src/json_schema_impls/mod.rs

@@ -83,6 +83,9 @@ forward_impl!((<A: smallvec1::Array> crate::JsonSchema for smallvec1::SmallVec<A
 #[cfg(feature = "smol_str02")]
 forward_impl!(smol_str02::SmolStr => alloc::string::String);
 
+#[cfg(feature = "compact_str08")]
+forward_impl!(compact_str08::CompactString => alloc::string::String);
+
 #[cfg(feature = "url2")]
 mod url2;
 

schemars/tests/integration/compact_str.rs

@@ -0,0 +1,11 @@
+use compact_str08::CompactString;
+
+use crate::prelude::*;
+
+#[test]
+fn compact_str() {
+    test!(CompactString)
+        .assert_identical::<String>()
+        .assert_allows_ser_roundtrip(["".into(), "test".into()])
+        .assert_matches_de_roundtrip(arbitrary_values());
+}

schemars/tests/integration/main.rs

@@ -41,6 +41,8 @@ mod skip;
 mod smallvec;
 #[cfg(feature = "smol_str02")]
 mod smol_str;
+#[cfg(feature = "compact_str08")]
+mod compact_str;
 mod std_types;
 mod structs;
 mod transform;