eachPair
without AnySequence
extension Sequence where Self.SubSequence: Sequence {
func eachPair() -> Zip2Sequence<Self, Self.SubSequence> {
return zip(self, self.dropFirst())
}
}
(1...10).eachPair().forEach { print($0) }
{ | |
"crashDiagnostics" : [ | |
{ | |
"version" : "1.0.0", | |
"callStackTree" : { | |
"callStacks" : [ | |
{ | |
"threadAttributed" : true, | |
"callStackRootFrames" : [ | |
{ |
eachPair
without AnySequence
extension Sequence where Self.SubSequence: Sequence {
func eachPair() -> Zip2Sequence<Self, Self.SubSequence> {
return zip(self, self.dropFirst())
}
}
(1...10).eachPair().forEach { print($0) }
import Foundation | |
final class SafeSyncQueue { | |
struct QueueIdentity { | |
let label: String | |
} | |
let queue: DispatchQueue |
i386 : iPhone Simulator | |
x86_64 : iPhone Simulator | |
arm64 : iPhone Simulator | |
iPhone1,1 : iPhone | |
iPhone1,2 : iPhone 3G | |
iPhone2,1 : iPhone 3GS | |
iPhone3,1 : iPhone 4 | |
iPhone3,2 : iPhone 4 GSM Rev A | |
iPhone3,3 : iPhone 4 CDMA | |
iPhone4,1 : iPhone 4S |
NSFont *normalFont = [NSFont systemFontOfSize:12]; | |
CGRect renderFrame = CGRectMake(0, 0, 300, 50); // box to render the text into | |
static NSLayoutManager *layMan = nil; | |
if (!layMan) { | |
layMan = [NSLayoutManager new]; | |
} | |
CGFloat lineHeight = [layMan defaultLineHeightForFont:normalFont]; // calculate the expected height of a line | |
NSDictionary *attrDict = [NSDictionary dictionaryWithObject:normalFont andKey:NSFontAttributeName]; |