t, il.Exprs.goString(indent+2, "Exprs: "))
}

// DefaultArg holds a default argument for a local name.
type DefaultArg struct {
	Num int
	Arg AST
}

func (da *DefaultArg) print(ps *printState) {
	if !ps.llvmStyle {
		fmt.Fprintf(&ps.buf, "{default arg#%d}::", da.Num+1)
	}
	ps.print(da.Arg)
}

func (da *DefaultArg) Traverse(fn func(AST) bool) {
	if fn(da) {
		da.Arg.Traverse(fn)

                def reserved = file("${appType}/build/${forbiddenPath}")
                failure.assertHasDescription("A problem was found with the configuration of task ':${appType}:badTask' (type 'DefaultTask').")
                failure.assertThatDescription(containsString(cannotWriteToReservedLocation {
                    property('output')
                        .forbiddenAt(reserved)
                        .includeLink()