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sbds_get_index(?Var, -Idx)

get the index of an SBDS attributed variable

Var: SBDS variable
Idx: The index of Var

Description

Unifies Idx with the index of the SBDS variable Var. The index of the variable is its position in the matrix provided in the corresponding call to sbds_initialise/4 or sbds_initialise/5

Fail Conditions

Var is not an SBDS variable.