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The following list contains syntax examples of how a range of element of an array can be accessed. In the following table: first – the index of the first element in the slice; last – the index of the last element in the slice; end – one more than the index of last element in the slice; len – the length of the slice (= end - first)
TVariables can also be used to hold an array of TVariables. Once a valid variable has been created, the array index subscripting notation can be used to transform it into an array, so for example the code - variable list = {0,2,4,6}; will create an array with four elements.
In Lua, "table" is a fundamental type that can be used either as an array (numerical index, fast) or as an associative array. The keys and values can be of any type, except nil. The following focuses on non-numerical indexes. A table literal is written as { value, key = value, [index] = value, ["non id string"] = value }. For example:
In object-oriented programming, an indexer allows instances of a particular class or struct to be indexed just like arrays. [1] It is a form of operator overloading . Implementations
This is an index to notable programming languages, in current or historical use. Dialects of BASIC, esoteric programming languages, and markup languages are not included. A programming language does not need to be imperative or Turing-complete, but must be executable and so does not include markup languages such as HTML or XML, but does include domain-specific languages such as SQL and its ...
Array-oriented, function-level, tacit, concurrent No JADE: Application, distributed Yes Yes No No No No No Java: Application, business, client-side, general, mobile development, server-side, web Yes Yes Yes Yes Yes Yes Concurrent De facto standard via Java Language Specification JavaScript: Client-side, server-side, web Yes Yes Yes Yes No Yes
The JS++ programming language is able to analyze if an array index or map key is out-of-bounds at compile time using existent types, which is a nominal type describing whether the index or key is within-bounds or out-of-bounds and guides code generation. Existent types have been shown to add only 1ms overhead to compile times.
Dead stores waste processor time and memory, and may be detected through the use of static program analysis, and removed by an optimizing compiler. If the purpose of a store is intentionally to overwrite data, for example when a password is being removed from memory, dead store optimizations can cause the write not to happen, leading to a ...