mgadda

struct ContentView: View {
  var body: some View {
    let color = Color.pink

    NavigationStack {
      // It's the presence of this out NavigationLink that breaks
      // the inner link.
      NavigationLink("Colors") {

        /* This inner navigation link does not work despite having

mgadda

protocol IO {
    associatedtype CollectionType: Collection
    init(_ source: CollectionType)
    func go() -> AnyCollection<CollectionType.Element>
}

struct Print<T> : IO where T: Collection {
    typealias CollectionType = T
    let source: CollectionType
    init(_ source: T) {

mgadda

//
//  reduced_problem.swift
//  swift-parse-playground
//
//  Created by Matt Gadda on 12/27/19.
//

typealias IO<InputElement, OutputElement> = (AnyCollection<InputElement>) -> AnyCollection<OutputElement>?

func printConsumer<T: Collection>(_ source: T) -> AnyCollection<T.Element>? {

mgadda

typealias Parser<T: Collection, U, T2> = (T) -> (U, T2)?
typealias StandardParser<T: Collection, U> = Parser<T, U, T>
typealias HomogeneousParser<T: Collection> = StandardParser<T, T>

protocol ParserConvertible {
  associatedtype InputType : Collection = Self
  associatedtype ParsedValueType = Self
  associatedtype OutputType = Self
  func mkParser() -> Parser<InputType, ParsedValueType, OutputType>

mgadda

typealias Bar = Foo<Int>

mgadda

let immutable = Array<Int32>(repeating: 0, count: 4) // => [0, 0, 0, 0]
let ptr = UnsafeMutablePointer<Int32>(mutating: immutable)
let mutableBuffer = UnsafeMutableBufferPointer(start: ptr, count: immutable.count * MemoryLayout<Int32>.size)
let data: Data = Data(bytes: [
  0, 0, 0, 0,
  1, 0, 0, 0,
  2, 0, 0, 0,
  3, 0, 0, 0])
data.copyBytes(to: mutableBuffer)
immutable // => [0, 1, 2, 3]

mgadda

> swiftc main.swift 
0  swift                    0x00000001094d13ad PrintStackTraceSignalHandler(void*) + 45
1  swift                    0x00000001094d0b56 SignalHandler(int) + 790
2  libsystem_platform.dylib 0x00007fffa03fcbba _sigtramp + 26
3  libsystem_platform.dylib 0x00007fdef523a8a8 _sigtramp + 1424219400
4  swift                    0x00000001066b979c swift::ASTVisitor<(anonymous namespace)::SILGenApply, void, void, void, void, void, void>::visit(swift::Expr*) + 4492
5  swift                    0x00000001066be19e (anonymous namespace)::SILGenApply::visitApplyExpr(swift::ApplyExpr*) + 5166
6  swift                    0x00000001066ac5f1 prepareApplyExpr(swift::Lowering::SILGenFunction&, swift::Expr*) + 273
7  swift                    0x00000001066fd8b7 swift::ASTVisitor<(anonymous namespace)::RValueEmitter, swift::Lowering::RValue, void, void, void, void, void, swift::Lowering::SGFContext>::visit(swift::Expr*, swift::Lowering::SGFContext) + 103
8  swift                    0x000000010675dfaa swift::Lowerin

mgadda

typealias RealWorld = Int
typealias IO<T> = (RealWorld) -> (T, RealWorld)

func putStrLn(_ str: String) -> IO<()> {
  return { (world) in
    print(str)
    return ((), world + 1)
  }
}

mgadda

module Util exposing (..)

import Html.Events exposing (on, keyCode)
import Html exposing (Attribute)
import Json.Decode as Json
import Dict exposing (Dict)


{-| Conditionally emit msg defined by `tagger` if the
key pressed was the enter key. Cannot be used with onEscape.

mgadda

[ignore]

[include]

[libs]

[options]