refactor: Move crate_name out into a file

Author: epage

src/lib.rs

@@ -104,31 +104,7 @@
 #![warn(clippy::print_stderr)]
 #![warn(clippy::print_stdout)]
 
-/// Allows you to pull the name from your Cargo.toml at compile time.
-///
-/// # Examples
-///
-/// ```should_panic
-/// use assert_cmd::Command;
-///
-/// let mut cmd = Command::cargo_bin(assert_cmd::crate_name!()).unwrap();
-/// let assert = cmd
-///     .arg("-A")
-///     .env("stdout", "hello")
-///     .env("exit", "42")
-///     .write_stdin("42")
-///     .assert();
-/// assert
-///     .failure()
-///     .code(42)
-///     .stdout("hello\n");
-/// ```
-#[macro_export]
-macro_rules! crate_name {
-    () => {
-        env!("CARGO_PKG_NAME")
-    };
-}
+mod macros;
 
 pub mod assert;
 pub mod cargo;

src/macros.rs

@@ -0,0 +1,25 @@
+/// Allows you to pull the name from your Cargo.toml at compile time.
+///
+/// # Examples
+///
+/// ```should_panic
+/// use assert_cmd::Command;
+///
+/// let mut cmd = Command::cargo_bin(assert_cmd::crate_name!()).unwrap();
+/// let assert = cmd
+///     .arg("-A")
+///     .env("stdout", "hello")
+///     .env("exit", "42")
+///     .write_stdin("42")
+///     .assert();
+/// assert
+///     .failure()
+///     .code(42)
+///     .stdout("hello\n");
+/// ```
+#[macro_export]
+macro_rules! crate_name {
+    () => {
+        env!("CARGO_PKG_NAME")
+    };
+}