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Questions - ambiguity

ANTLR4 Best practice on token ambiguities: Lexer predicate, or Parser tree walker

I have a question about a certain ambiguity I am encountering in a grammar I am currently working on. Here is the problem, in brief. Consider these two inputs: 1010 0101 In isolation, in my grammar t...
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natem

antlr

antlr4

ambiguity

Votes: 0

Answers: 0

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Why isn't Kotlin complaining about ambiguity? And why is it calling the secondary constructor?

I was testing something in Kotlin and now I won't be able to sleep properly if I don't find an answer. Look at this class: data class Person( val name: String, val age: Int? = 0 ) { constr...
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Gabriel Guedes

kotlin

constructor

ambiguity

Votes: 0

Answers: 3

Latest Answer

The rules of method resolution in Kotlin (and in Java) can be a bit arcane. Thankfully, they do the obvious thing in nearly all situations — which is clearly the point! — but there are a few surprisin...
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gidds

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