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The abstract list type L with elements of some type E (a monomorphic list) is defined by the following functions: nil: → L cons: E × L → L first: L → E rest: L → L. with the axioms first (cons (e, l)) = e rest (cons (e, l)) = l. for any element e and any list l. It is implicit that cons (e, l) ≠ l cons (e, l) ≠ e
^ means the start of the string, and $ means the end. [abc] means any symbol out of a, b or c, and [^abc] means anything that isn't a, b or c. Preceding any of the above with a % takes away their normal meaning and makes them mean "literally" the symbol they are.
No two edges starting out of a node can have string-labels beginning with the same character. The string obtained by concatenating all the string-labels found on the path from the root to leaf i {\displaystyle i} spells out suffix S [ i . . n ] {\displaystyle S[i..n]} , for i {\displaystyle i} from 1 {\displaystyle 1} to n {\displaystyle n} .
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In object-oriented languages, string functions are often implemented as properties and methods of string objects. In functional and list-based languages a string is represented as a list (of character codes), therefore all list-manipulation procedures could be considered string functions.
By convention, this prefix is only used in cases when the identifier would otherwise be either a reserved keyword (such as for and while), which may not be used as an identifier without the prefix, or a contextual keyword (such as from and where), in which cases the prefix is not strictly required (at least not at its declaration; for example ...
This is the {{Str startswith}} meta-template.. It returns "yes" if the second parameter is the start of the first parameter. Both parameters are trimmed before use. Examples
In computer science, an integer literal is a kind of literal for an integer whose value is directly represented in source code.For example, in the assignment statement x = 1, the string 1 is an integer literal indicating the value 1, while in the statement x = 0x10 the string 0x10 is an integer literal indicating the value 16, which is represented by 10 in hexadecimal (indicated by the 0x prefix).