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LBOUND
— Lower dimension bounds of an arrayRESULT = LBOUND(ARRAY [, DIM [, KIND]])
ARRAY | Shall be an array, of any type.
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DIM | (Optional) Shall be a scalar INTEGER .
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KIND | (Optional) An INTEGER initialization
expression indicating the kind parameter of the result.
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INTEGER
and of kind KIND. If
KIND is absent, the return value is of default integer kind.
If DIM is absent, the result is an array of the lower bounds of
ARRAY. If DIM is present, the result is a scalar
corresponding to the lower bound of the array along that dimension. If
ARRAY is an expression rather than a whole array or array
structure component, or if it has a zero extent along the relevant
dimension, the lower bound is taken to be 1.