Sync SIPs from scala/improvement-proposals (#3241)

github-actions[bot] · bracevac · web-flow · commit 3f954711903d · 2025-12-03T16:53:15.000+01:00
Co-authored-by: bracevac &lt;bracevac@users.noreply.github.com&gt;
diff --git a/_sips/sips/001-named-and-default-arguments.md b/_sips/sips/001-named-and-default-arguments.md
@@ -2,7 +2,8 @@
 kind: SID
 layout: sip
 number: 1
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/named-and-default-arguments.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/002-scala-compiler-phase-plugin-in.md b/_sips/sips/002-scala-compiler-phase-plugin-in.md
@@ -2,7 +2,8 @@
 kind: SID
 layout: sip
 number: 2
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/scala-compiler-phase-plugin-in.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/003-new-collection-classes.md b/_sips/sips/003-new-collection-classes.md
@@ -2,7 +2,8 @@
 kind: SID
 layout: sip
 number: 3
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/new-collection-classes.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/004-early-member-definitions.md b/_sips/sips/004-early-member-definitions.md
@@ -2,7 +2,8 @@
 kind: SID
 layout: sip
 number: 4
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/early-member-definitions.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/005-internals-of-scala-annotations.md b/_sips/sips/005-internals-of-scala-annotations.md
@@ -2,7 +2,8 @@
 kind: SID
 layout: sip
 number: 5
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/internals-of-scala-annotations.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/007-scala-2-8-arrays.md b/_sips/sips/007-scala-2-8-arrays.md
@@ -2,7 +2,8 @@
 kind: SID
 layout: sip
 number: 7
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/scala-2-8-arrays.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/008-scala-swing-overview.md b/_sips/sips/008-scala-swing-overview.md
@@ -2,7 +2,8 @@
 kind: SID
 layout: sip
 number: 8
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/scala-swing-overview.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/009-scala-specialization.md b/_sips/sips/009-scala-specialization.md
@@ -2,7 +2,8 @@
 kind: SID
 layout: sip
 number: 9
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/scala-specialization.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/010-picked-signatures.md b/_sips/sips/010-picked-signatures.md
@@ -2,7 +2,8 @@
 kind: SID
 layout: sip
 number: 10
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/picked-signatures.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/011-string-interpolation.md b/_sips/sips/011-string-interpolation.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 11
-permalink: /sips/string-interpolation.html
+permalink: /sips/:number
+redirect_from: /sips/string-interpolation.html
 redirect_from: /sips/pending/string-interpolation.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/013-implicit-classes.md b/_sips/sips/013-implicit-classes.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 13
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/implicit-classes.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/014-futures-promises.md b/_sips/sips/014-futures-promises.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 14
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/futures-promises.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/015-value-classes.md b/_sips/sips/015-value-classes.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 15
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/value-classes.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/017-type-dynamic.md b/_sips/sips/017-type-dynamic.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 17
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/type-dynamic.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/018-modularizing-language-features.md b/_sips/sips/018-modularizing-language-features.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 18
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/modularizing-language-features.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/023-42.type.md b/_sips/sips/023-42.type.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 23
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/42.type.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/025-trait-parameters.md b/_sips/sips/025-trait-parameters.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 25
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/trait-parameters.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/027-trailing-commas.md b/_sips/sips/027-trailing-commas.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 27
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/trailing-commas.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/030-static-members.md b/_sips/sips/030-static-members.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 30
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/static-members.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/031-byname-implicits.md b/_sips/sips/031-byname-implicits.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 31
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/byname-implicits.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/033-priority-based-infix-type-precedence.md b/_sips/sips/033-priority-based-infix-type-precedence.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 33
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/priority-based-infix-type-precedence.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/035-opaque-types.md b/_sips/sips/035-opaque-types.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 35
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/opaque-types.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/037-interpolation-quote-escape.md b/_sips/sips/037-interpolation-quote-escape.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 37
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/interpolation-quote-escape.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/038-converters-among-optional-functions-partialfunctions-and-extractor-objects.md b/_sips/sips/038-converters-among-optional-functions-partialfunctions-and-extractor-objects.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 38
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/converters-among-optional-functions-partialfunctions-and-extractor-object.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/039-right-associative-by-name-operators.md b/_sips/sips/039-right-associative-by-name-operators.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 39
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 redirect_from: /sips/pending/right-associative-by-name-operators.html
 stage: completed
 status: shipped
diff --git a/_sips/sips/042-binary-integer-literals.md b/_sips/sips/042-binary-integer-literals.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 42
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: shipped
 title: Support Binary Integer Literals
diff --git a/_sips/sips/044-fewer-braces.md b/_sips/sips/044-fewer-braces.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 44
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: shipped
 title: Fewer Braces
diff --git a/_sips/sips/046-scala-cli.md b/_sips/sips/046-scala-cli.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 46
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: shipped
 title: Scala CLI as default Scala command
diff --git a/_sips/sips/047-clause-interleaving.md b/_sips/sips/047-clause-interleaving.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 47
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: shipped
 title: Clause Interleaving
diff --git a/_sips/sips/049-polymorphic-eta-expansion.md b/_sips/sips/049-polymorphic-eta-expansion.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 49
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: implementation
 status: waiting-for-implementation
 title: Polymorphic Eta-Expansion
diff --git a/_sips/sips/051-drop-stdlib-forwards-bin-compat.md b/_sips/sips/051-drop-stdlib-forwards-bin-compat.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 51
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: shipped
 title: Drop Forwards Binary Compatibility of the Scala 2.13 Standard Library
diff --git a/_sips/sips/052-binary-api.md b/_sips/sips/052-binary-api.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 52
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: shipped
 title: Binary APIs
diff --git a/_sips/sips/053-quote-pattern-type-variable-syntax.md b/_sips/sips/053-quote-pattern-type-variable-syntax.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 53
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: shipped
 title: Quote pattern explicit type variable syntax
diff --git a/_sips/sips/054-multi-source-extension-overloads.md b/_sips/sips/054-multi-source-extension-overloads.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 54
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: shipped
 title: Multi-Source Extension Overloads
diff --git a/_sips/sips/056-match-types-spec.md b/_sips/sips/056-match-types-spec.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 56
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: shipped
 title: Proper Specification for Match Types
diff --git a/_sips/sips/057-replace-nonsensical-unchecked-annotation.md b/_sips/sips/057-replace-nonsensical-unchecked-annotation.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 57
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 presip-thread: https://contributors.scala-lang.org/t/pre-sip-replace-non-sensical-unchecked-annotations/6342
 stage: completed
 status: shipped
diff --git a/_sips/sips/058-named-tuples.md b/_sips/sips/058-named-tuples.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 58
-permalink: /sips/named-tuples.html
+permalink: /sips/:number
+redirect_from: /sips/named-tuples.html
 presip-thread: https://contributors.scala-lang.org/t/pre-sip-named-tuples/6403/164
 stage: completed
 status: shipped
diff --git a/_sips/sips/059-multiple-assignments.md b/_sips/sips/059-multiple-assignments.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 59
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 presip-thread: https://contributors.scala-lang.org/t/pre-sip-multiple-assignments/6425
 stage: implementation
 status: under-review
diff --git a/_sips/sips/060-alternative-bind-variables.md b/_sips/sips/060-alternative-bind-variables.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 60
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 presip-thread: https://contributors.scala-lang.org/t/pre-sip-bind-variables-for-alternative-patterns/6321/13
 stage: implementation
 status: waiting-for-implementation
diff --git a/_sips/sips/061-unroll-default-arguments.md b/_sips/sips/061-unroll-default-arguments.md
@@ -1,7 +1,8 @@
 ---
 layout: sip
 number: 61
-permalink: /sips/:title.html
+permalink: /sips/:number
+redirect_from: /sips/:title.html
 stage: completed
 status: accepted
 title: Unroll Default Arguments for Binary Compatibility
diff --git a/_sips/sips/062-better-fors.md b/_sips/sips/062-better-fors.md
diff --git a/_sips/sips/064-typeclasses-syntax.md b/_sips/sips/064-typeclasses-syntax.md
diff --git a/_sips/sips/068-reference-package-objects.md b/_sips/sips/068-reference-package-objects.md
diff --git a/_sips/sips/071-into.md b/_sips/sips/071-into.md
