rbrockerhoff/bug.swift

## bug.swift
extension Dictionary {
	mutating func merge <S: Sequence where S.GeneratorType.Element == Element> (seq: S) {
		var gen = seq.generate()
		while let (key: KeyType, value: ValueType) = gen.next() {
			self[key] = value
		}
	}
}

var dict = [0:0]
let more = [1,2,3]
dict.merge(more)	// this should give a syntax error, right? But...
println(dict)		// prints [0: 0, 1: 140735543552768, 2: 140735543552768, 3: 140735543552768]

// Update: apparently it matches only against the KeyType, so [KeyType] and [(KeyType, AnyType)] work.
	extension Dictionary {
	mutating func merge <S: Sequence where S.GeneratorType.Element == Element> (seq: S) {
	var gen = seq.generate()
	while let (key: KeyType, value: ValueType) = gen.next() {
	self[key] = value
	}
	}
	}

	var dict = [0:0]
	let more = [1,2,3]
	dict.merge(more) // this should give a syntax error, right? But...
	println(dict) // prints [0: 0, 1: 140735543552768, 2: 140735543552768, 3: 140735543552768]

	// Update: apparently it matches only against the KeyType, so [KeyType] and [(KeyType, AnyType)] work.