Read the value from a single-valued value range expression.

Source: R/valueRangeExpression.R

vreGetSingleValue is a utility function reads the single value from a value range expression (it assumes the specified is either numeric, a number expressed as text or an expression of the form "v=" or "v==").

vreGetSingleValue(vre)

Arguments

vre

The value range expression to examine.

Value

The value read from the expression.