Fix assert example

ecstatic-morse · tesuji · ecstatic-morse · commit 7f362641fd70 · 2019-11-20T11:07:27.000-08:00
Co-Authored-By: lzutao &lt;taolzu@gmail.com&gt;
diff --git a/posts/inside-rust/2019-11-23-const-if-match.md b/posts/inside-rust/2019-11-23-const-if-match.md
@@ -30,7 +30,7 @@ const fn gcd(a: u32, b: u32) -> u32 {
     }
 }
 
-const _: () = assert!(std::mem::size_of::<usize>(), 8, "Only 64-bit platforms are supported");
+const _: () = assert!(std::mem::size_of::<usize>() == 8, "Only 64-bit platforms are supported");
 ```
 
 ## What exactly is going on here?

Original file line number	Diff line number	Diff line change
`@@ -30,7 +30,7 @@ const fn gcd(a: u32, b: u32) -> u32 {`
`30`	`30`	`}`
`31`	`31`	`}`
`32`	`32`
`33`		`-const _: () = assert!(std::mem::size_of::<usize>(), 8, "Only 64-bit platforms are supported");`
	`33`	`+const _: () = assert!(std::mem::size_of::<usize>() == 8, "Only 64-bit platforms are supported");`
`34`	`34`	```
`35`	`35`
`36`	`36`	`## What exactly is going on here?`