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fay59

Here's a list of mildly interesting things about the C language that I learned mostly by consuming Clang's ASTs. Although surprises are getting sparser, I might continue to update this document over time.

There are many more mildly interesting features of C++, but the language is literally known for being weird, whereas C is usually considered smaller and simpler, so this is (almost) only about C.

1. Combined type and variable/field declaration, inside a struct scope [https://godbolt.org/g/Rh94Go]

struct foo {
   struct bar {
 int x;

Daij-Djan

#import <UIKit/UIKit.h>
#import <CoreText/CTFont.h>

@interface UIFont (Traits)

@property(nonatomic, readonly) CTFontRef CTFontRef;

@property(nonatomic, readonly) CTFontSymbolicTraits traits;
@property(nonatomic, readonly, getter=isBold) BOOL bold;
@property(nonatomic, readonly, getter=isItalic) BOOL italic;