根据CharlesNutter，Duby是astatic-typedlanguagewithRuby'ssyntaxandJava'stypesystem.DubysupportsallRuby'sliterals,useslocaltypeinference(onlyargumenttypesmustbedeclared),andrunsasfastasJava(becauseitproducesnearlyidenticalbytecode).Butwiththeadventofinvokedynamic,Dubyneededaplaymate.1.什么是invokedynamic

根据CharlesNutter，Duby是astatic-typedlanguagewithRuby'ssyntaxandJava'stypesystem.DubysupportsallRuby'sliterals,useslocaltypeinference(onlyargumenttypesmustbedeclared),andrunsasfastasJava(becauseitproducesnearlyidenticalbytecode).Butwiththeadventofinvokedynamic,Dubyneededaplaymate.1.什么是invokedynamic