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Add missing syntax highlighting in Variadic Macros sexion in FFI

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nabijaczleweli 2018-02-26 07:12:32 +01:00
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first-edition/src/ffi.md
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@ -570,7 +570,7 @@ against `libc` and `libm` by default.
In C, functions can be 'variadic', meaning they accept a variable number of arguments. This can
be achieved in Rust by specifying `...` within the argument list of a foreign function declaration:
```no_run
```rust,no_run
extern {
fn foo(x: i32, ...);
}
@ -584,7 +584,7 @@ fn main() {
Normal Rust functions can *not* be variadic:
```ignore
```rust,ignore
// This will not compile
fn foo(x: i32, ...) { }
@ -750,7 +750,7 @@ extern "C" {
# fn main() {}
```
By including a private field and no constructor,
By including a private field and no constructor,
we create an opaque type that we can’t instantiate outside of this module.
An empty array is both zero-size and compatible with `#[repr(C)]`.
But because our `Foo` and `Bar` types are