swift-mirror/stdlib/core/RangeMirrors.swift.gyb

//===- RangeMirrors.swift.gyb ---------------------------------*- swift -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2015 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//

% import gyb
%
% common_args = dict(
%   introspecteeType='Range',
%   genericArgs=['T'],
%   genericConstraints={'T':'ForwardIndexType'},
%   disposition='Struct')
%
% for x in ('Decl', 'Conformance', 'Boilerplate'):
%   locals()['Mirror' + x] = gyb.executeTemplate(
%     gyb.parseTemplate('../common/Mirror%s.gyb' % x), **common_args)

${MirrorDecl} {
  ${MirrorBoilerplate}
  public var count: Int { return 2 }

  public subscript(i: Int) -> (String, MirrorType) {
    switch i {
    case 0: return ("startIndex",reflect(_value.startIndex))
    case 1: return ("endIndex",reflect(_value.endIndex))
    default: _preconditionFailure("cannot extract this child index")
    }
  }
  
  public var summary: String { 
    return "\(self[0].1.summary)..<\(self[1].1.summary)"
  }

  public var quickLookObject: QuickLookObject? { return .Text(summary) }
}

${MirrorConformance}