erica

Expanding available to introduce discouraged

• Proposal: SE-nnnnnnnn
• Authors: Erica Sadun, Chris Lattner
• Review Manager: TBD
• Status: Awaiting implementation

erica

Expanding available

• Proposal: SE-nnnnnnnn
• Authors: Chris Lattner, Erica Sadun
• Review Manager: TBD
• Status: Awaiting implementation

erica

1d0
< import AppKit
9a9
> import StoreKit
10a11
> import UIKit
25,35c26,28
<     @available(OSX 10.15, *)
<     @available(iOS, unavailable)
<     @available(tvOS, unavailable)

erica

extension String {
    
    /// Returns a new string with the camel-case-based words of this string
    /// split by the specified separator.
    ///
    /// Examples:
    ///
    ///     "myProperty".convertedToSnakeCase()
    ///     // my_property
    ///     "myURLProperty".convertedToSnakeCase()

erica

	####
	# Retag
	retag = "!f(){ name=`git tag`; git tag -d \"$name\"; echo "Retagged $name"; remote=`git remote -v`; \
			if [ \"$remote\" != \"\" ]; then git push origin --delete \"$name\"; fi; \
			git tag \"$name\"; \
			if [ \"$remote\" != \"\" ]; then git push --tags; else echo "No remote"; fi; };f"
	untag = "!f(){ name=`git tag`; git tag -d \"$name\"; remote=`git remote -v`; \
			if [ \"$remote\" != \"\" ]; then git push origin --delete \"$name\"; \
			else echo "No remote"; fi; };f"
	tagit = "!f(){ git tag \"$@\"; echo "Tagged $name"; remote=`git remote -v`; \

erica

import UIKit
import PlaygroundSupport

extension Int {
  var cg: CGFloat { return CGFloat(self) }
}

// Canvas size
let extent: CGFloat = 200
let rect = CGRect(x: 0, y: 0, width: extent, height: extent)

erica

import Cocoa

@propertyWrapper
public struct AssociatedValues<Value, Projection> {
  private var value: Value
  public var wrappedValue: Value { value }
  public var projectedValue: [String: Projection] = [:]
  
  public init(wrappedValue value: Value) {
    self.value = value

erica

import Foundation

do {
  // Note: scalar.utf8 is only available in 10.15
  while let byte = try RawMode.getByte() {
    let scalar = UnicodeScalar(byte)
    switch scalar.isASCII {
    case true:
      print(Character(UnicodeScalar(byte)), ":", byte)
    case false:

erica

import Foundation
import Darwin

/// Raw mode handling for character-by-character input in term
///
/// Via [this stack overflow post][post]
///
/// [post]: https://stackoverflow.com/questions/49748507/listening-to-stdin-in-swift
public enum RawMode {
  /// Error states for raw mode entry

erica

import PlaygroundSupport
import SwiftUI
extension UIView {
  var renderedImage: UIImage {
    let image = UIGraphicsImageRenderer(size: self.bounds.size).image { context in
      UIColor.lightGray.set(); UIRectFill(bounds)
      context.cgContext.setAlpha(0.75)
      self.layer.render(in: context.cgContext)
    }
    return image