Skip to content

Nested NonEmpty #46

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
RemiBardon wants to merge 18 commits into
base: main
Choose a base branch
from
Draft

Nested NonEmpty #46

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
18 commits
Select commit Hold shift + click to select a range
d8e1f10
✨ Add throwing initializer
RemiBardon Feb 14, 2022
e9ab1dd
✨ Add more throwing initializers
RemiBardon Feb 14, 2022
12f0ce1
🎨 Store `rawValue` as a `Slice`
RemiBardon Feb 14, 2022
680ec08
🎨 Store `head` apart from `tail`
RemiBardon Feb 14, 2022
51ef544
✨ Add `AtLeast1` to `AtLeast10` and their convenient extensions
RemiBardon Feb 14, 2022
48bb120
✨ Nested `NonEmpty` now `throws` as expected
RemiBardon Mar 3, 2022
f0241d4
🩹 Remove `_` prefix in nested `NonEmpty` type aliases
RemiBardon Mar 5, 2022
3418e7a
🩹 Fix `.second` compiling for `NonEmpty<C>` and so on
RemiBardon Mar 6, 2022
b1a422a
Add safe initializers for nested `NonEmpty`
RemiBardon Mar 11, 2022
aa56163
Remove `AtLeast*` type aliases
RemiBardon Mar 11, 2022
eae3484
Finish implementing nested `NonEmpty`
RemiBardon Mar 16, 2022
22d8c54
Add safe `first` accessor for `NonEmptyProtocol`
RemiBardon Mar 17, 2022
7c2cff5
Add safe `last` accessor for `NonEmptyProtocol`
RemiBardon Mar 17, 2022
3804e05
Remove `AtLeast9` and `AtLeast10`
RemiBardon Mar 18, 2022
ed3a12b
Fix "Ambiguous use of last"
RemiBardon Mar 18, 2022
eeb53fd
Revert all unnecessary changes
RemiBardon Mar 24, 2022
d6058be
Add `AtLeast9` and `AtLeast10` back now that it compiles (compiler fix)
RemiBardon Mar 31, 2022
f951b7b
Fix nested `NonEmpty` conformance to `RangeReplaceableCollection`
RemiBardon Sep 22, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
15 changes: 15 additions & 0 deletions Sources/NonEmpty/NonEmpty+Error.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,15 @@
enum NonEmptyError: Swift.Error, CustomStringConvertible {

case emptyCollection
case tooFewElements(expected: Int)

var description: String {
switch self {
case .emptyCollection:
return "Non-empty collection expected"
case let .tooFewElements(expected):
return "Expected at least \(expected) element\(expected > 1 ? "s" : "")"
}
}

}
341 changes: 341 additions & 0 deletions Sources/NonEmpty/NonEmpty+Nested.swift
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,341 @@
public typealias AtLeast1 <C: Swift.Collection> = NonEmpty<C>
public typealias AtLeast2 <C: Swift.Collection> = NonEmpty<AtLeast1<C>>
public typealias AtLeast3 <C: Swift.Collection> = NonEmpty<AtLeast2<C>>
public typealias AtLeast4 <C: Swift.Collection> = NonEmpty<AtLeast3<C>>
public typealias AtLeast5 <C: Swift.Collection> = NonEmpty<AtLeast4<C>>
public typealias AtLeast6 <C: Swift.Collection> = NonEmpty<AtLeast5<C>>
public typealias AtLeast7 <C: Swift.Collection> = NonEmpty<AtLeast6<C>>
public typealias AtLeast8 <C: Swift.Collection> = NonEmpty<AtLeast7<C>>
public typealias AtLeast9 <C: Swift.Collection> = NonEmpty<AtLeast8<C>>
public typealias AtLeast10<C: Swift.Collection> = NonEmpty<AtLeast9<C>>

extension NonEmptyProtocol {
@_disfavoredOverload
public init(_ c: Collection) throws {
try self.init(from: c)
}
}
extension NonEmptyProtocol
where Collection: NonEmptyProtocol
{
public var second: Element { self[self.index(self.startIndex, offsetBy: 1)] }
public init(_ c: Collection.Collection) throws {
try self.init(.init(c))
}
public init(
_ e1: Element,
_ e2: Element,
tail: Collection.Collection
) where Collection.Collection: RangeReplaceableCollection {
var rawValue = tail
rawValue.insert(contentsOf: [e1, e2], at: rawValue.startIndex)
try! self.init(rawValue)
}
public init(
_ e1: Element,
_ e2: Element,
_ tail: Element...
) where Collection.Collection: RangeReplaceableCollection {
self.init(e1, e2, tail: .init(tail))
}
}
extension NonEmptyProtocol
where Collection: NonEmptyProtocol,
Collection.Collection: NonEmptyProtocol
{
public var third: Element { self[self.index(self.startIndex, offsetBy: 2)] }
public init(_ c: Collection.Collection.Collection) throws {
try self.init(.init(.init(c)))
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
tail: Collection.Collection.Collection
) where Collection.Collection.Collection: RangeReplaceableCollection {
var rawValue = tail
rawValue.insert(contentsOf: [e1, e2, e3], at: rawValue.startIndex)
try! self.init(rawValue)
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ tail: Element...
) where Collection.Collection.Collection: RangeReplaceableCollection {
self.init(e1, e2, e3, tail: .init(tail))
}
}
extension NonEmptyProtocol
where Collection: NonEmptyProtocol,
Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection: NonEmptyProtocol
{
public var fourth: Element { self[self.index(self.startIndex, offsetBy: 3)] }
public init(_ c: Collection.Collection.Collection.Collection) throws {
try self.init(.init(.init(.init(c))))
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
tail: Collection.Collection.Collection.Collection
) where Collection.Collection.Collection.Collection: RangeReplaceableCollection {
var rawValue = tail
rawValue.insert(contentsOf: [e1, e2, e3, e4], at: rawValue.startIndex)
try! self.init(rawValue)
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ tail: Element...
) where Collection.Collection.Collection.Collection: RangeReplaceableCollection {
self.init(e1, e2, e3, e4, tail: .init(tail))
}
}
extension NonEmptyProtocol
where Collection: NonEmptyProtocol,
Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection: NonEmptyProtocol
{
public var fifth: Element { self[self.index(self.startIndex, offsetBy: 4)] }
public init(_ c: Collection.Collection.Collection.Collection.Collection) throws {
try self.init(.init(.init(.init(.init(c)))))
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
tail: Collection.Collection.Collection.Collection.Collection
) where Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
var rawValue = tail
rawValue.insert(contentsOf: [e1, e2, e3, e4, e5], at: rawValue.startIndex)
try! self.init(rawValue)
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ tail: Element...
) where Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
self.init(e1, e2, e3, e4, e5, tail: .init(tail))
}
}
extension NonEmptyProtocol
where Collection: NonEmptyProtocol,
Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol
{
public var sixth: Element { self[self.index(self.startIndex, offsetBy: 5)] }
public init(_ c: Collection.Collection.Collection.Collection.Collection.Collection) throws {
try self.init(.init(.init(.init(.init(.init(c))))))
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
tail: Collection.Collection.Collection.Collection.Collection.Collection
) where Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
var rawValue = tail
rawValue.insert(contentsOf: [e1, e2, e3, e4, e5, e6], at: rawValue.startIndex)
try! self.init(rawValue)
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
_ tail: Element...
) where Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
self.init(e1, e2, e3, e4, e5, e6, tail: .init(tail))
}
}
extension NonEmptyProtocol
where Collection: NonEmptyProtocol,
Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol
{
public var seventh: Element { self[self.index(self.startIndex, offsetBy: 6)] }
public init(_ c: Collection.Collection.Collection.Collection.Collection.Collection.Collection) throws {
try self.init(.init(.init(.init(.init(.init(.init(c)))))))
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
_ e7: Element,
tail: Collection.Collection.Collection.Collection.Collection.Collection.Collection
) where Collection.Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
var rawValue = tail
rawValue.insert(contentsOf: [e1, e2, e3, e4, e5, e6, e7], at: rawValue.startIndex)
try! self.init(rawValue)
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
_ e7: Element,
_ tail: Element...
) where Collection.Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
self.init(e1, e2, e3, e4, e5, e6, e7, tail: .init(tail))
}
}
extension NonEmptyProtocol
where Collection: NonEmptyProtocol,
Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol
{
public var eighth: Element { self[self.index(self.startIndex, offsetBy: 7)] }
public init(_ c: Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection) throws {
try self.init(.init(.init(.init(.init(.init(.init(.init(c))))))))
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
_ e7: Element,
_ e8: Element,
tail: Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection
) where Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
var rawValue = tail
rawValue.insert(contentsOf: [e1, e2, e3, e4, e5, e6, e7, e8], at: rawValue.startIndex)
try! self.init(rawValue)
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
_ e7: Element,
_ e8: Element,
_ tail: Element...
) where Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
self.init(e1, e2, e3, e4, e5, e6, e7, e8, tail: .init(tail))
}
}
extension NonEmptyProtocol
where Collection: NonEmptyProtocol,
Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol
{
public var ninth: Element { self[self.index(self.startIndex, offsetBy: 8)] }
public init(_ c: Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection) throws {
try self.init(.init(.init(.init(.init(.init(.init(.init(.init(c)))))))))
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
_ e7: Element,
_ e8: Element,
_ e9: Element,
tail: Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection
) where Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
var rawValue = tail
rawValue.insert(contentsOf: [e1, e2, e3, e4, e5, e6, e7, e8, e9], at: rawValue.startIndex)
try! self.init(rawValue)
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
_ e7: Element,
_ e8: Element,
_ e9: Element,
_ tail: Element...
) where Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
self.init(e1, e2, e3, e4, e5, e6, e7, e8, e9, tail: .init(tail))
}
}
extension NonEmptyProtocol
where Collection: NonEmptyProtocol,
Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol,
Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection: NonEmptyProtocol
{
public var tenth: Element { self[self.index(self.startIndex, offsetBy: 9)] }
public init(_ c: Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection) throws {
try self.init(.init(.init(.init(.init(.init(.init(.init(.init(.init(c))))))))))
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
_ e7: Element,
_ e8: Element,
_ e9: Element,
_ e10: Element,
tail: Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection
) where Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
var rawValue = tail
rawValue.insert(contentsOf: [e1, e2, e3, e4, e5, e6, e7, e8, e9, e10], at: rawValue.startIndex)
try! self.init(rawValue)
}
public init(
_ e1: Element,
_ e2: Element,
_ e3: Element,
_ e4: Element,
_ e5: Element,
_ e6: Element,
_ e7: Element,
_ e8: Element,
_ e9: Element,
_ e10: Element,
_ tail: Element...
) where Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection.Collection: RangeReplaceableCollection {
self.init(e1, e2, e3, e4, e5, e6, e7, e8, e9, e10, tail: .init(tail))
}
}
Loading