public ScopedVariable(ExpandableVars container, string varName, string varExpansion)
{
this.container = container;
this.varName = varName;
container.variables.TryGetValue(varName, out prevExpansion);
container.SetExpandableVariable(varName, varExpansion);
}
public void Dispose()
{
if (prevExpansion == null)
{
container.ClearExpandableVariable(varName);
}
else
{
container.SetExpandableVariable(varName, prevExpansion);
}
}
