chore: add doc for helper.c

Wybxc · Wybxc · commit 3b1d14e28ccf · 2024-10-22T17:01:38.000+08:00
diff --git a/crates/rustc_codegen_c/src/helper.h b/crates/rustc_codegen_c/src/helper.h
@@ -1,3 +1,5 @@
+/* Some helper macros for the generated code */
+
 /** cast from unsigned to signed
   * example: `__rust_utos(uint32_t, int32_t, x, INT32_MAX)`
   */

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+/* Some helper macros for the generated code */`
	`2`	`+`
`1`	`3`	`/** cast from unsigned to signed`
`2`	`4`	* example: `__rust_utos(uint32_t, int32_t, x, INT32_MAX)`
`3`	`5`	`*/`