Swift Package Index

Build Information

Failed to build Combinatorics, reference master (3c5d67), with Swift 6.1 for macOS (SPM) on 26 Apr 2025 01:25:08 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: 4.61.0
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/dankogai/swift-combinatorics.git
Reference: master
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/dankogai/swift-combinatorics
 * branch            master     -> FETCH_HEAD
 * [new branch]      master     -> origin/master
HEAD is now at 3c5d670 update xcode to 12
Cloned https://github.com/dankogai/swift-combinatorics.git
Revision (git rev-parse @):
3c5d670f7dd57ee985c31de3e28641be1d958007
SUCCESS checkout https://github.com/dankogai/swift-combinatorics.git at master
========================================
ResolveProductDependencies
========================================
Resolving dependencies ...
{
  "identity": ".resolve-product-dependencies",
  "name": "resolve-dependencies",
  "url": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "version": "unspecified",
  "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies",
  "dependencies": [
    {
      "identity": "swift-combinatorics",
      "name": "Combinatorics",
      "url": "https://github.com/dankogai/swift-combinatorics.git",
      "version": "unspecified",
      "path": "/Users/admin/builder/spi-builder-workspace/.resolve-product-dependencies/.build/checkouts/swift-combinatorics",
      "dependencies": [
      ]
    }
  ]
}
Fetching https://github.com/dankogai/swift-combinatorics.git
[1/151] Fetching swift-combinatorics
Fetched https://github.com/dankogai/swift-combinatorics.git from cache (1.78s)
Creating working copy for https://github.com/dankogai/swift-combinatorics.git
Working copy of https://github.com/dankogai/swift-combinatorics.git resolved at master (3c5d670)
warning: '.resolve-product-dependencies': dependency 'swift-combinatorics' is not used by any target
Found 0 product dependencies
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.1
Building package at path:  $PWD
https://github.com/dankogai/swift-combinatorics.git
https://github.com/dankogai/swift-combinatorics.git
{
  "dependencies" : [
  ],
  "manifest_display_name" : "Combinatorics",
  "name" : "Combinatorics",
  "path" : "/Users/admin/builder/spi-builder-workspace",
  "platforms" : [
  ],
  "products" : [
    {
      "name" : "Combinatorics",
      "targets" : [
        "Combinatorics"
      ],
      "type" : {
        "library" : [
          "dynamic"
        ]
      }
    }
  ],
  "targets" : [
    {
      "c99name" : "CombinatoricsTests",
      "module_type" : "SwiftTarget",
      "name" : "CombinatoricsTests",
      "path" : "Tests/CombinatoricsTests",
      "sources" : [
        "CombinatoricsTests.swift",
        "XCTestManifests.swift"
      ],
      "target_dependencies" : [
        "Combinatorics"
      ],
      "type" : "test"
    },
    {
      "c99name" : "Combinatorics",
      "module_type" : "SwiftTarget",
      "name" : "Combinatorics",
      "path" : "Sources/Combinatorics",
      "product_memberships" : [
        "Combinatorics"
      ],
      "sources" : [
        "Combinatorics.swift"
      ],
      "type" : "library"
    }
  ],
  "tools_version" : "4.0"
}
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64 -Xswiftc -Xfrontend -Xswiftc -stats-output-dir -Xswiftc -Xfrontend -Xswiftc .stats -Xswiftc -strict-concurrency=complete -Xswiftc -enable-upcoming-feature -Xswiftc StrictConcurrency -Xswiftc -enable-upcoming-feature -Xswiftc DisableOutwardActorInference -Xswiftc -enable-upcoming-feature -Xswiftc GlobalActorIsolatedTypesUsability -Xswiftc -enable-upcoming-feature -Xswiftc InferSendableFromCaptures
Building for debugging...
[0/4] Write sources
[1/4] Write swift-version-2F0A5646E1D333AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[3/6] Emitting module Combinatorics
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:82:19: error: type 'CombinatoricsIndex<Index>.Permutation<SubElement>' does not conform to protocol 'Sequence'
 80 | public struct CombinatoricsIndex<Index:SignedInteger> {
 81 |     /// permutation
 82 |     public struct Permutation<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.Permutation<SubElement>' does not conform to protocol 'Sequence'
 83 |         public let seed:[SubElement] // immutable
 84 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Permutation<SubElement>' if 'CombinatoricsIndex<Index>.Permutation<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Permutation<SubElement>' if 'CombinatoricsIndex<Index>.Permutation<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:107:19: error: type 'CombinatoricsIndex<Index>.Combination<SubElement>' does not conform to protocol 'Sequence'
105 |     }
106 |     /// combination
107 |     public struct Combination<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.Combination<SubElement>' does not conform to protocol 'Sequence'
108 |         public let seed:[SubElement] // immutable
109 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Combination<SubElement>' if 'CombinatoricsIndex<Index>.Combination<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Combination<SubElement>' if 'CombinatoricsIndex<Index>.Combination<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:127:19: error: type 'CombinatoricsIndex<Index>.BaseN<SubElement>' does not conform to protocol 'Sequence'
125 |     }
126 |     /// BaseN
127 |     public struct BaseN<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.BaseN<SubElement>' does not conform to protocol 'Sequence'
128 |         public let seed:[SubElement] // immutable
129 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.BaseN<SubElement>' if 'CombinatoricsIndex<Index>.BaseN<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.BaseN<SubElement>' if 'CombinatoricsIndex<Index>.BaseN<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:148:19: error: type 'CombinatoricsIndex<Index>.PowerSet<SubElement>' does not conform to protocol 'Sequence'
146 |     }
147 |     /// Power Set
148 |     public struct PowerSet<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.PowerSet<SubElement>' does not conform to protocol 'Sequence'
149 |         public let seed:[SubElement] // immutable
150 |         public let count:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.PowerSet<SubElement>' if 'CombinatoricsIndex<Index>.PowerSet<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.PowerSet<SubElement>' if 'CombinatoricsIndex<Index>.PowerSet<SubElement>' conformed to 'IteratorProtocol'
3 |
[4/6] Compiling Combinatorics Combinatorics.swift
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:82:19: error: type 'CombinatoricsIndex<Index>.Permutation<SubElement>' does not conform to protocol 'Sequence'
 80 | public struct CombinatoricsIndex<Index:SignedInteger> {
 81 |     /// permutation
 82 |     public struct Permutation<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.Permutation<SubElement>' does not conform to protocol 'Sequence'
 83 |         public let seed:[SubElement] // immutable
 84 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Permutation<SubElement>' if 'CombinatoricsIndex<Index>.Permutation<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Permutation<SubElement>' if 'CombinatoricsIndex<Index>.Permutation<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:107:19: error: type 'CombinatoricsIndex<Index>.Combination<SubElement>' does not conform to protocol 'Sequence'
105 |     }
106 |     /// combination
107 |     public struct Combination<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.Combination<SubElement>' does not conform to protocol 'Sequence'
108 |         public let seed:[SubElement] // immutable
109 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Combination<SubElement>' if 'CombinatoricsIndex<Index>.Combination<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Combination<SubElement>' if 'CombinatoricsIndex<Index>.Combination<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:127:19: error: type 'CombinatoricsIndex<Index>.BaseN<SubElement>' does not conform to protocol 'Sequence'
125 |     }
126 |     /// BaseN
127 |     public struct BaseN<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.BaseN<SubElement>' does not conform to protocol 'Sequence'
128 |         public let seed:[SubElement] // immutable
129 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.BaseN<SubElement>' if 'CombinatoricsIndex<Index>.BaseN<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.BaseN<SubElement>' if 'CombinatoricsIndex<Index>.BaseN<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:148:19: error: type 'CombinatoricsIndex<Index>.PowerSet<SubElement>' does not conform to protocol 'Sequence'
146 |     }
147 |     /// Power Set
148 |     public struct PowerSet<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.PowerSet<SubElement>' does not conform to protocol 'Sequence'
149 |         public let seed:[SubElement] // immutable
150 |         public let count:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.PowerSet<SubElement>' if 'CombinatoricsIndex<Index>.PowerSet<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.PowerSet<SubElement>' if 'CombinatoricsIndex<Index>.PowerSet<SubElement>' conformed to 'IteratorProtocol'
3 |
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-16.3.0.app xcrun swift build --arch arm64
[0/1] Planning build
Building for debugging...
[0/3] Write swift-version-2F0A5646E1D333AE.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/5] Emitting module Combinatorics
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:82:19: error: type 'CombinatoricsIndex<Index>.Permutation<SubElement>' does not conform to protocol 'Sequence'
 80 | public struct CombinatoricsIndex<Index:SignedInteger> {
 81 |     /// permutation
 82 |     public struct Permutation<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.Permutation<SubElement>' does not conform to protocol 'Sequence'
 83 |         public let seed:[SubElement] // immutable
 84 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Permutation<SubElement>' if 'CombinatoricsIndex<Index>.Permutation<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Permutation<SubElement>' if 'CombinatoricsIndex<Index>.Permutation<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:107:19: error: type 'CombinatoricsIndex<Index>.Combination<SubElement>' does not conform to protocol 'Sequence'
105 |     }
106 |     /// combination
107 |     public struct Combination<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.Combination<SubElement>' does not conform to protocol 'Sequence'
108 |         public let seed:[SubElement] // immutable
109 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Combination<SubElement>' if 'CombinatoricsIndex<Index>.Combination<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Combination<SubElement>' if 'CombinatoricsIndex<Index>.Combination<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:127:19: error: type 'CombinatoricsIndex<Index>.BaseN<SubElement>' does not conform to protocol 'Sequence'
125 |     }
126 |     /// BaseN
127 |     public struct BaseN<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.BaseN<SubElement>' does not conform to protocol 'Sequence'
128 |         public let seed:[SubElement] // immutable
129 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.BaseN<SubElement>' if 'CombinatoricsIndex<Index>.BaseN<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.BaseN<SubElement>' if 'CombinatoricsIndex<Index>.BaseN<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:148:19: error: type 'CombinatoricsIndex<Index>.PowerSet<SubElement>' does not conform to protocol 'Sequence'
146 |     }
147 |     /// Power Set
148 |     public struct PowerSet<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.PowerSet<SubElement>' does not conform to protocol 'Sequence'
149 |         public let seed:[SubElement] // immutable
150 |         public let count:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.PowerSet<SubElement>' if 'CombinatoricsIndex<Index>.PowerSet<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.PowerSet<SubElement>' if 'CombinatoricsIndex<Index>.PowerSet<SubElement>' conformed to 'IteratorProtocol'
3 |
[3/5] Compiling Combinatorics Combinatorics.swift
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:82:19: error: type 'CombinatoricsIndex<Index>.Permutation<SubElement>' does not conform to protocol 'Sequence'
 80 | public struct CombinatoricsIndex<Index:SignedInteger> {
 81 |     /// permutation
 82 |     public struct Permutation<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.Permutation<SubElement>' does not conform to protocol 'Sequence'
 83 |         public let seed:[SubElement] // immutable
 84 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Permutation<SubElement>' if 'CombinatoricsIndex<Index>.Permutation<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Permutation<SubElement>' if 'CombinatoricsIndex<Index>.Permutation<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:107:19: error: type 'CombinatoricsIndex<Index>.Combination<SubElement>' does not conform to protocol 'Sequence'
105 |     }
106 |     /// combination
107 |     public struct Combination<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.Combination<SubElement>' does not conform to protocol 'Sequence'
108 |         public let seed:[SubElement] // immutable
109 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Combination<SubElement>' if 'CombinatoricsIndex<Index>.Combination<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.Combination<SubElement>' if 'CombinatoricsIndex<Index>.Combination<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:127:19: error: type 'CombinatoricsIndex<Index>.BaseN<SubElement>' does not conform to protocol 'Sequence'
125 |     }
126 |     /// BaseN
127 |     public struct BaseN<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.BaseN<SubElement>' does not conform to protocol 'Sequence'
128 |         public let seed:[SubElement] // immutable
129 |         public let size:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.BaseN<SubElement>' if 'CombinatoricsIndex<Index>.BaseN<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.BaseN<SubElement>' if 'CombinatoricsIndex<Index>.BaseN<SubElement>' conformed to 'IteratorProtocol'
3 |
/Users/admin/builder/spi-builder-workspace/Sources/Combinatorics/Combinatorics.swift:148:19: error: type 'CombinatoricsIndex<Index>.PowerSet<SubElement>' does not conform to protocol 'Sequence'
146 |     }
147 |     /// Power Set
148 |     public struct PowerSet<SubElement> : CombinatoricsType, Sequence {
    |                   `- error: type 'CombinatoricsIndex<Index>.PowerSet<SubElement>' does not conform to protocol 'Sequence'
149 |         public let seed:[SubElement] // immutable
150 |         public let count:Index
Swift.Sequence.Iterator:2:16: note: unable to infer associated type 'Iterator' for protocol 'Sequence'
1 | protocol Sequence {
2 | associatedtype Iterator : IteratorProtocol}
  |                `- note: unable to infer associated type 'Iterator' for protocol 'Sequence'
3 |
Swift.Sequence.makeIterator:2:36: note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.PowerSet<SubElement>' if 'CombinatoricsIndex<Index>.PowerSet<SubElement>' conformed to 'IteratorProtocol'
1 | protocol Sequence {
2 | @inlinable public __consuming func makeIterator() -> Self}
  |                                    `- note: candidate would match and infer 'Iterator' = 'CombinatoricsIndex<Index>.PowerSet<SubElement>' if 'CombinatoricsIndex<Index>.PowerSet<SubElement>' conformed to 'IteratorProtocol'
3 |
BUILD FAILURE 6.1 macosSpm