CLHS: Glossary-Section G

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G

general adj. (of an array) having element type t, and consequently able to have any object as an element.

generalized boolean n. an object used as a truth value, where the symbol nil represents false and all other objects represent true. See boolean.

generalized instance n. (of a class) an object the class of which is either that class itself, or some subclass of that class. (Because of the correspondence between types and classes, the term ``generalized instance of X'' implies ``object of type X'' and in cases where X is a class (or class name) the reverse is also true. The former terminology emphasizes the view of X as a class while the latter emphasizes the view of X as a type specifier.)

generalized reference n. a reference to a location storing an object as if to a variable. (Such a reference can be either to read or write the location.) See Section 5.1 (Generalized Reference). See also place.

generalized synonym stream n. (with a synonym stream symbol) 1. (to a stream) a synonym stream to the stream, or a composite stream which has as a target a generalized synonym stream to the stream. 2. (to a symbol) a synonym stream to the symbol, or a composite stream which has as a target a generalized synonym stream to the symbol.

generic function n. a function whose behavior depends on the classes or identities of the arguments supplied to it and whose parts include, among other things, a set of methods, a lambda list, and a method combination type.

generic function lambda list n. A lambda list that is used to describe data flow into a generic function. See Section 3.4.2 (Generic Function Lambda Lists).

gensym n. Trad. an uninterned symbol. See the function gensym.

global declaration n. a form that makes certain kinds of information about code globally available; that is, a proclaim form or a declaim form.

global environment n. that part of an environment that contains bindings with indefinite scope and indefinite extent.

global variable n. a dynamic variable or a constant variable.

glyph n. a visual representation. ``Graphic characters have associated glyphs.''

go v. to transfer control to a go point. See the special operator go.

go point one of possibly several exit points that are established by tagbody (or other abstractions, such as prog, which are built from tagbody).

go tag n. the symbol or integer that, within the lexical scope of a tagbody form, names an exit point established by that tagbody form.

graphic adj. (of a character) being a ``printing'' or ``displayable'' character that has a standard visual representation as a single glyph, such as `A` or `*` or `=`. Space is defined to be graphic. Of the standard characters, all but newline are graphic. See non-graphic.

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