If you want to fold / unfold specific blocks of code, since Xcode 7, you have to enable that.
Go to Xcode > Preferences > Text Editing > and check ‘Code folding ribbon’.

(No idea why they disabled this useful feature by default.)
If you want to fold / unfold specific blocks of code, since Xcode 7, you have to enable that.
Go to Xcode > Preferences > Text Editing > and check ‘Code folding ribbon’.

(No idea why they disabled this useful feature by default.)