smol_str 0.3 support

Author: novacrazy

postgres-types/Cargo.toml

@@ -25,6 +25,7 @@ with-jiff-0_1 = ["jiff-01"]
 with-serde_json-1 = ["serde-1", "serde_json-1"]
 with-smol_str-01 = ["smol_str-01"]
 with-smol_str-02 = ["smol_str-02"]
+with-smol_str-03 = ["smol_str-03"]
 with-uuid-0_8 = ["uuid-08"]
 with-uuid-1 = ["uuid-1"]
 with-time-0_2 = ["time-02"]
@@ -57,3 +58,4 @@ time-02 = { version = "0.2", package = "time", optional = true }
 time-03 = { version = "0.3", package = "time", default-features = false, optional = true }
 smol_str-01 = { version = "0.1.23", package = "smol_str", default-features = false, optional = true }
 smol_str-02 = { version = "0.2", package = "smol_str", default-features = false, optional = true }
+smol_str-03 = { version = "0.3", package = "smol_str", default-features = false, optional = true }

postgres-types/src/lib.rs

@@ -284,6 +284,8 @@ mod serde_json_1;
 mod smol_str_01;
 #[cfg(feature = "with-smol_str-02")]
 mod smol_str_02;
+#[cfg(feature = "with-smol_str-03")]
+mod smol_str_03;
 #[cfg(feature = "with-time-0_2")]
 mod time_02;
 #[cfg(feature = "with-time-0_3")]

postgres-types/src/smol_str_03.rs

@@ -0,0 +1,31 @@
+use bytes::BytesMut;
+use smol_str_03::SmolStr;
+use std::error::Error;
+
+use crate::{FromSql, IsNull, ToSql, Type};
+
+impl<'a> FromSql<'a> for SmolStr {
+    fn from_sql(ty: &Type, raw: &'a [u8]) -> Result<Self, Box<dyn Error + Sync + Send>> {
+        <&str as FromSql>::from_sql(ty, raw).map(SmolStr::new)
+    }
+
+    fn accepts(ty: &Type) -> bool {
+        <&str as FromSql>::accepts(ty)
+    }
+}
+
+impl ToSql for SmolStr {
+    fn to_sql(
+        &self,
+        ty: &Type,
+        out: &mut BytesMut,
+    ) -> Result<IsNull, Box<dyn Error + Sync + Send>> {
+        <&str as ToSql>::to_sql(&self.as_str(), ty, out)
+    }
+
+    fn accepts(ty: &Type) -> bool {
+        <&str as ToSql>::accepts(ty)
+    }
+
+    to_sql_checked!();
+}