Fix compilation with CocoaPods#157
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Previously, CocoaPods would use the .swift-version file to specify the Swift version of a project when validating the podspec, but not when installing the pod. The new swift_version attribute added in CocoaPods 1.4.0 provides a Swift version to be used by the installed pod.
Swift 4 does not allow internal values to be used as default parameter values for public functions. While the project is still configured to build with Swift 3.2, this change should allow for building with Swift 4.0 if a build tool (such as CocoaPods) doesn't respect the project's specified Swift version.
Codecov Report
@@ Coverage Diff @@
## hotfix #157 +/- ##
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Coverage 95.74% 95.74%
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Files 6 6
Lines 470 470
Branches 30 30
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Hits 450 450
Misses 20 20
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Since the release of Xcode 9, CocoaPods has been building OneTimePassword with Swift 4, even though it should be compiled with Swift 3.2, leading to compilation errors (see #152). Apparently, CocoaPods uses the version of Swift defined in the
.swift-versionfile when validating a podspec, but not when installing the pod.This PR fixes #152 in two different ways:
swift_versionattribute (added in CocoaPods 1.4.0) indicates the pod should be built with Swift 3.2.Token.defaultNameandToken.defaultIssuerconstants protects against build errors in the case where CocoaPods mistakenly uses Swift 4 again.This PR also bumps the project version number to 3.0.1, in preparation for a new release.