Rename meta to dist.

Because both distribution and release are metadata.

README.md

@@ -26,7 +26,7 @@ pgxn_meta = "0.2"
 
 ``` rust
 use serde_json::json;
-use pgxn_meta::meta::Distribution;
+use pgxn_meta::dist::Distribution;
 
 func main() {
     // Load the contents of a META.json file into a serde_json::Value.

src/meta/mod.rs → src/dist/mod.rs

@@ -2,7 +2,7 @@
 PGXN `META.json` validation and management.
 
 This module provides interfaces to load, validate, and manipulate PGXN
-`META.json` files. It supports both the [v1] and [v2] specs.
+distribution `META.json` files. It supports both the [v1] and [v2] specs.
 
   [v1]: https://rfcs.pgxn.org/0001-meta-spec-v1.html
   [v2]: https://github.com/pgxn/rfcs/pull/3
@@ -931,7 +931,7 @@ impl TryFrom<Value> for Distribution {
     /// ``` rust
     /// # use std::error::Error;
     /// use serde_json::json;
-    /// use pgxn_meta::meta::*;
+    /// use pgxn_meta::dist::*;
     ///
     /// let meta_json = json!({
     ///   "name": "pair",
@@ -981,7 +981,7 @@ impl TryFrom<&[&Value]> for Distribution {
     /// ``` rust
     /// # use std::error::Error;
     /// use serde_json::json;
-    /// use pgxn_meta::meta::*;
+    /// use pgxn_meta::dist::*;
     ///
     /// let meta_json = json!({
     ///   "name": "pair",
@@ -1048,7 +1048,7 @@ impl TryFrom<Distribution> for Value {
     /// ``` rust
     /// # use std::error::Error;
     /// use serde_json::{json, Value};
-    /// use pgxn_meta::meta::*;
+    /// use pgxn_meta::dist::*;
     ///
     /// let meta_json = json!({
     ///   "name": "pair",

src/lib.rs

@@ -11,7 +11,7 @@ files. It supports both the [v1] and [v2] specs.
 
 */
 
-pub mod meta;
+pub mod dist;
 pub mod release;
 mod util; // private utilities
 pub mod valid;

src/release/mod.rs

@@ -17,7 +17,7 @@ It supports both the [v1] and [v2] specs.
 
 */
 
-use crate::meta::*;
+use crate::dist::*;
 use crate::util;
 
 use chrono::{DateTime, Utc};

src/release/v1/mod.rs

@@ -1,5 +1,5 @@
 use super::Release;
-use crate::meta::v1 as dist;
+use crate::dist::v1 as dist;
 use serde_json::{json, Value};
 use std::error::Error;
 

src/tests/mod.rs

@@ -4,7 +4,7 @@ mod v2;
 
 #[test]
 fn test_readme_example() {
-    use crate::meta::Distribution;
+    use crate::dist::Distribution;
     use serde_json::json;
 
     // Load the contents of a META.json file into a serde_json::Value.