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isglobal

isglobal — check if a variable is global

Calling sequence

t=isglobal(x)

Parameters

x : any variable
t : a boolean

Description

isglobal(x) returns true if x has been declared to be a global variable and false otherwise.

Examples



isglobal(1)
global a
isglobal(a)

See also

global, clearglobal, who
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