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Study with Quizlet and memorize flashcards containing terms like How do you determine the sex of a lobster?, How is the age of a lobster determined?, What is the name of the lobster liver? and more.
- Lexical Definition
- Grammar
- Types
- User Defined Types
- Operators
- Function Definitions
- Typing
- Enums
- Programs Structure
- Memory Management
Whitespace is space, tab, carriage return, nested commentsdelimited by /* and */ or single line commentsstarting with //Operator tokens are( ) [ ] { } : , & | + ++ += - -- -= * *= / /= % %= == != < > <= >= <- = ? . -> ^ << >>Strings delimited by " and character constants with' using escape codes \n \t \r \' \ \x(followed by 2 hex digits, e.g. \xFF is the character withvalue 255). Alternatively, strings can be enclos...Numbers consisting of a series of digits to indicate an integerconstant (e.g. 123) or hex digits with a leading0x (e.g. 0xABADCAFE) or digits with a single. (e.g. .1 or 1. or1.1) to indicate a floa...Below, ... indicates a loop with exit point at thatscope level (ex. (ident ... ,) ->(ident (, ident)*), * meaning optionaly repeating), and|| is like | except indicates a precedencelevel difference. [rule]Means optional. program = stats end_of_file stats = topexp … linefeed topexp = namespace ident |import [from ] ( string_constant | ( ident … . ) ...
Lobster is statically typed, and any variable, argument or vectorelement can be a value of one of the following types: 1. Scalar types (64-bit on all platforms): 1.1. int : a signed integer. Constructed using: 1.1.1. integer constants : 123 1.1.2. hexadecimal constants : 0xABADCAFE 1.1.3. character constants : 'A'(65) 1.1.4. default boolean values ...
The class and structkeywords allow you todefine a user defined type. For example: You can use either class or structtodefine these, with the latter being more restrictive: they are storedin-inline in their parent and copied. This makes sense for small objectssuch as the one in this example. You specify a list of fields using indentation. Optionally...
Lobster comes with a set of built-in operators mostly familiar fromother languages that attempt to work on as many of the above types asmakes sense. In particular, unlike most languages, many of them work on(numeric) structs, which makes typical game code both convenient andfast.
Lobster’s entire design centers around functions and how they can becomposed. It has both named functions and functionvalues.
Lobster is statically typed, though most of the time you don’tnotice, since most types can be inferred. You specify types: 1. To define overloaded / dynamic dispatched functions (seeearlier). 2. To provide coercion (int -> float,anything -> string) 3. As documentation. 4. To get simpler/earlier type errors. As we’ve seen, you can type function argu...
An enum defines a “strongly typed alias” for theint type. What this means is that these values are fullycompatible with int in any use, but a regularintcan’t be passed to a context where an enum type isexplicitly requested. You can convert integers explicitly to an enum with a coercionfunction, e.g. example(1) will create a value equivalent intype ...
A lobster program is like the body of a function: a list ofexpressions on separate lines, defined by a single file, the main fileof your program. At this top level of a file, you can additionally usethe importkeyword to bring additional code into yourprogram: The contents of that file will be merged into your main file at thelocation of the importf...
Lobster uses (compile time) reference counting as its form ofmanagement for many reasons. Besides simplicity and space efficiency,reference counting makes a language more predictable in how much time isspent for a given amount of code, since memory management cost is spreadequally through all code, instead of causing possibly long pauses likewith g...
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Different species of lobsters have unique ways of communicating. For instance, the American lobster typically uses its large claws to signal strength or territory, whereas spiny lobsters, which lack large crushing claws, may utilize sound to ward off predators.
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Jul 11, 2021 · 1. Mating Communication. There are many different languages that a lobster can “speak”, and love is number one on the list. At least twice per year, the female lobster is ready and waiting in the soft-shell state as she can carry sperm for two years and reproduce when needed.
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Oct 5, 2012 · The Language of Lobster Communication across the animal kingdom is a seldom understood phenomenon (our right whale researchers are looking whale communication right now). While we know that most animals need to communicate with others of their species for various tasks, such as territorial dominance or mating practices, the exact processes are ...
