使用Swift4.2和Xcode10beta，如果我写:importUIKitletfoo:UIEdgeInsets=.zero然后我在编译时遇到一个fatalerror:***DESERIALIZATIONFAILURE(pleaseincludethissectioninanybugreport)***resultisambiguous0swift0x000000010784fc5aPrintStackTraceSignalHandler(void*)+421swift0x000000010784f066SignalHandler(int)+9662libsystem_platfo
