Recent questions tagged compiler

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compiler errors - javac : Compiling a .java file which uses other classes in it

HI i have 3 java files a.java b.java c.java I managed to generate .class files for both a and b using ... the java files are in the same folder See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler construction - Understanding return value optimization and returning temporaries - C++

Please consider the three functions. std::string get_a_string() { return "hello"; } std::string get_a_string1() { ... to it. Any thoughts? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler construction - Size of Initialisation string in java

Apparently there is a limit to the size of an initialisation string in javac. Can anyone help me in identifying what the ... Object[] { o }); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler construction - Declaring and initializing a variable in a Conditional or Control statement in C++

In Stroustrup's The C++ Programming Language: Special Edition (3rd Ed), Stroustrup writes that the declaration ... the language's community? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler warnings - Boolean expression order of evaluation in Java?

Suppose I have the following expression String myString = getStringFromSomeExternalSource(); if (myString != null ... evaluation not guaranteed? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler construction - What is the size of an empty struct in C?

According to me, it is zero but there seems to be bit confusion here I have tested it with gcc compiler and ... if I am missing anything here. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler construction - Maximum Method Name Length

Does anyone happen to know what the maximum length of a method name is in your programming language of choice? ... on 32bit vs 64bit machines? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler construction - Haskell GHC: what is the time complexity of a pattern match with N constructors?

Let's say we have the following Haskell: data T = T0 | T1 | T2 | ... | TN toInt :: T -> Int toInt ... of N, for pattern matching on t in toInt? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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compiler warnings - Will a "variableName;" C++ statement be a no-op at all times?

In C++ sometimes a variable will be defined, but not used. Here's an example - a function for use ... times independent of what CSomeType is? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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