ddunbar

New Build System Tricks

Command Line

alias xcbuild=$(xcode-select -p)/../SharedFrameworks/XCBuild.framework/Versions/A/Support/xcbuild
# THIS DOESNT WORK YET: xcbuild openIDEConsole  # … then switch to Xcode ➡️
xcbuild showSpecs
xcbuild build <foo.pif> [—target <target>]

atrick

SIL Opaque Values

Introduction

A SIL type is either loadable or address-only. A loadable type is one whose object size and layout can be determined by the compiler and whose values are not "pinned" to a memory address. Types are most commonly address-only because their layout is opaque by abstraction. Generic type parameters are address-only because their concrete type not statically identified. Resilient types are

erica

Requesting Default Values

Many Cocoa and Cocoa Touch calls are boilerplate. They use common argument values with nearly every call. Why not take advantage of Swift's default system instead? We'd like to simplify calls like this:

dismissViewControllerAnimated(flag: true, completion: nil)

to calls like this: