// Determines if another object is equivalent to the CycList
// Two CycLists are identical if they both have the same number of nodes, and the head of each node is the same
func (c CycList) Equal(o interface{}) (r bool) {
switch o := o.(type) {
case *CycList:
r = o != nil && c.ListHeader.Equal(o.ListHeader)
case CycList:
r = c.ListHeader.Equal(o.ListHeader)
default:
raw.Catch(func() {
r = c.start.(Equatable).Equal(o)
})
}
return
}
/*func While(container interface{}, f func(interface{}) bool) (i int) {
raw.Catch(func() {
Each(container, func(x interface{}) {
if f(x) {
i++
} else {
raw.Throw()
}
})
})
return
}
// Until processes values from a container until a condition is true or until the end of the container is reached.
// Returns the count of items which fail the test.
func Until(container interface{}, f func(interface{}) bool) (i int) {
raw.Catch(func() {
Each(container, func(x interface{}) {
if f(x) {
raw.Throw()
} else {
i++
}
})
})
return
}
func Any(container interface{}, f func(interface{}) bool) (b bool) {
if l := Until(container, f); l > 0 {
b = l < Len(container)
}
return
}
func All(container interface{}, f func(interface{}) bool) (b bool) {
if l := While(container, f); l > 0 {
b = l == Len(container)
}
return
}
func None(container interface{}, f func(interface{}) bool) (b bool) {
return Until(container, f) == Len(container)
}
*/
func One(container interface{}, f func(interface{}) bool) (b bool) {
raw.Catch(func() {
Each(container, func(x interface{}) {
if f(x) {
if b {
b = false
raw.Throw()
} else {
b = true
}
}
})
})
return
}
