escaped_identifiers.swift

// RUN: %target-typecheck-verify-swift

func `protocol`(){}

`protocol`()

class`Type`{}

var`class`= `Type`.self

func foo(){}

`foo`()

// Escaping suppresses identifier contextualization.
varget:(()->())->()={$0()}

varapplyGet:Int{
`get`{}
return0
}

enum`switch`{}

typealias`Self`=Int

// Identifiers that must be escaped
func `method with space and .:/`() {}
`method with space and .:/`()

class `Class with space and .:/` {}
var `var with space and .:/` = `Class with space and .:/`.self

enum `enum with space and .:/` {
 case `space cases`
 case `case with payload`(`some label`: `Class with space and .:/`)
}

typealias `Typealias with space and .:/` = Int
func `+ start with operator`() {}

struct `Escaped Type` {}
func `escaped function`(`escaped label` `escaped arg`: `Escaped Type`) {}
`escaped function`(`escaped label`: `Escaped Type`())
let `escaped reference` = `escaped function`(`escaped label`:)
`escaped reference`(`Escaped Type`())

let`@atSign`=0
let`#octothorpe`=0

// Escaped identifiers cannot contain *only* operator characters.
let`+`=0 // expected-error{{expected pattern}}
let`^*^`=0 // expected-error{{expected pattern}}
let`.`=0 // expected-error{{expected pattern}}
let`?`=0 // expected-error{{expected pattern}}
func `+`(lhs:Int, rhs:Int)-> Int // expected-error{{expected identifier in function declaration}}

@propertyWrapper
struct `@PoorlyNamedWrapper`<`The Value`> {
varwrappedValue: `The Value`
}
structWithWrappedProperty{
@`@PoorlyNamedWrapper`varx:Int
}