<commit_before>//  Copyright © 2015 <NAME>. All rights reserved.

public enum Declaration<Recur: TermType>: CustomDebugStringConvertible, CustomStringConvertible {
	public init(_ symbol: String, type: Recur, value: Recur) {
		self = .Definition(symbol, type, value)
	}

	public init(_ symbol: String, _ datatype: TypeConstructor<Recur>) {
		self = .Datatype(symbol, datatype)
	}

	public init(_ symbol: String, _ type: Recur, _ constructor: Recur -> TypeConstructor<Recur>) {
		self.init(symbol, .Argument(type, constructor))
	}

	public init(_ symbol: String, _ type1: Recur, _ type2: Recur, _ constructor: (Recur, Recur) -> TypeConstructor<Recur>) {
		self.init(symbol, .Argument(type1, { a in .Argument(type2, { b in constructor(a, b) }) }))
	}


	public var symbol: String {
		switch self {
		case let .Definition(symbol, _, _):
			return symbol
		case let .Datatype(symbol, _):
			return symbol
		}
	}


	public typealias DefinitionType = (symbol: String, type: Recur, value: Recur)

	public var definitions: [DefinitionType] {
		switch self {
		case let .Definition(symbol, type, value):
			return [ (symbol, type, value) ]
		case let .Datatype(symbol, datatype):
			let recur = Recur.Variable(.Global(symbol))
			return [ (symbol, datatype.type(recur), datatype.value(recur)) ] + datatype.definitions(recur)
		}
	}


	public var debugDescription: String {
		switch self {
		case let .Definition(symbol, type, value):
			return "\(symbol) : \(String(reflecting: type))\n"
				+ "\(symbol) = \(String(reflecting: value))"
		case let .Datatype(symbol, datatype):
			return "data \(symbol) = \(String(reflecting: datatype))"
		}
	}

	public var description: String {
		switch self {
		case let .Definition(symbol, type, value):
			return "\(symbol) : \(type)\n"
				+ "\(symbol) = \(value)"
		case let .Datatype(symbol, datatype):
			let recur = Recur.Variable(.Global(symbol))
			return "data \(symbol) : \(datatype.type(recur)) = \(datatype.value(recur))"
		}
	}


	case Definition(String, Recur, Recur)
	case Datatype(String, TypeConstructor<Recur>)
}

extension Declaration where Recur: TermType {
	public var ref: Recur {
		return .Variable(Name.Global(symbol))
	}

	public func typecheck(environment: [Name:Recur], _ context: [Name:Recur]) -> [Error] {
		switch self {
		case let .Definition(symbol, type, value):
			return value.checkType(type, environment, context).left.map { [ $0.map { "\(symbol): \($0)" } ] } ?? []
		case let .Datatype(symbol, _):
			return definitions
				.flatMap { definition, type, value in value.checkType(type, environment, context).left.map { $0.map { "\(symbol).\(definition): \($0)" } } }
		}
	}
}


import Either
import Prelude<commit_msg>We don’t need this annotation.<commit_after>//  Copyright © 2015 <NAME>. All rights reserved.

public enum Declaration<Recur: TermType>: CustomDebugStringConvertible, CustomStringConvertible {
	public init(_ symbol: String, type: Recur, value: Recur) {
		self = .Definition(symbol, type, value)
	}

	public init(_ symbol: String, _ datatype: TypeConstructor<Recur>) {
		self = .Datatype(symbol, datatype)
	}

	public init(_ symbol: String, _ type: Recur, _ constructor: Recur -> TypeConstructor<Recur>) {
		self.init(symbol, .Argument(type, constructor))
	}

	public init(_ symbol: String, _ type1: Recur, _ type2: Recur, _ constructor: (Recur, Recur) -> TypeConstructor<Recur>) {
		self.init(symbol, .Argument(type1, { a in .Argument(type2, { b in constructor(a, b) }) }))
	}


	public var symbol: String {
		switch self {
		case let .Definition(symbol, _, _):
			return symbol
		case let .Datatype(symbol, _):
			return symbol
		}
	}


	public typealias DefinitionType = (symbol: String, type: Recur, value: Recur)

	public var definitions: [DefinitionType] {
		switch self {
		case let .Definition(symbol, type, value):
			return [ (symbol, type, value) ]
		case let .Datatype(symbol, datatype):
			let recur = Recur.Variable(.Global(symbol))
			return [ (symbol, datatype.type(recur), datatype.value(recur)) ] + datatype.definitions(recur)
		}
	}


	public var debugDescription: String {
		switch self {
		case let .Definition(symbol, type, value):
			return "\(symbol) : \(String(reflecting: type))\n"
				+ "\(symbol) = \(String(reflecting: value))"
		case let .Datatype(symbol, datatype):
			return "data \(symbol) = \(String(reflecting: datatype))"
		}
	}

	public var description: String {
		switch self {
		case let .Definition(symbol, type, value):
			return "\(symbol) : \(type)\n"
				+ "\(symbol) = \(value)"
		case let .Datatype(symbol, datatype):
			let recur = Recur.Variable(.Global(symbol))
			return "data \(symbol) : \(datatype.type(recur)) = \(datatype.value(recur))"
		}
	}


	case Definition(String, Recur, Recur)
	case Datatype(String, TypeConstructor<Recur>)
}

extension Declaration {
	public var ref: Recur {
		return .Variable(Name.Global(symbol))
	}

	public func typecheck(environment: [Name:Recur], _ context: [Name:Recur]) -> [Error] {
		switch self {
		case let .Definition(symbol, type, value):
			return value.checkType(type, environment, context).left.map { [ $0.map { "\(symbol): \($0)" } ] } ?? []
		case let .Datatype(symbol, _):
			return definitions
				.flatMap { definition, type, value in value.checkType(type, environment, context).left.map { $0.map { "\(symbol).\(definition): \($0)" } } }
		}
	}
}


import Either
import Prelude
{'fraction_non_alphanumeric': 0.1506440171737913, 'fraction_numerical': 0.00448011946985253, 'mean_word_length': 4.107721639656816, 'pattern_counts': {'":': 0, '<': 15, '<?xml version=': 0, '>': 21, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '485709', 'n_tokens_mistral': 1890, 'n_tokens_neox': 1722, 'n_words': 468}