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mg_arg

mg_arg.pro (mglib)

Handle an argument to a routine.

Syntax


result = mg_arg(arg [, default=any] [, error=long] [, types=lonarr] [, /ensure_array] [, /ensure_scalar] [, /ensure_simple])

Return value


argument value

Parameters


arg in required type=any

argument

Keywords


default in optional type=any

default value for argument

error out optional type=long

set to a named variable

types in optional type=lonarr

set to an array of valid type size codes

ensure_array in optional type=boolean

set to indicate argument should be an array

ensure_scalar in optional type=boolean

set to indicate argument should be a scalar

ensure_simple in optional type=boolean

set to indicate argument should be "simple"



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