smalltalk: SequenceableCollection methods (13) + String at:/copyFrom:to: + 28 tests

lib/smalltalk/runtime.sx

@@ -402,6 +402,82 @@
       (st-class-define! "Error" "Exception" (list))
       (st-class-define! "ZeroDivide" "Error" (list))
       (st-class-define! "MessageNotUnderstood" "Error" (list))
+      ;; SequenceableCollection — shared iteration / inspection methods.
+      ;; Defined on the parent class so Array, String, Symbol, and
+      ;; OrderedCollection all inherit. Each method calls `self do:`,
+      ;; which dispatches to the receiver's primitive do: implementation.
+      (st-class-add-method! "SequenceableCollection" "inject:into:"
+        (st-parse-method
+          "inject: initial into: aBlock
+             | acc |
+             acc := initial.
+             self do: [:e | acc := aBlock value: acc value: e].
+             ^ acc"))
+      (st-class-add-method! "SequenceableCollection" "detect:"
+        (st-parse-method
+          "detect: aBlock
+             self do: [:e | (aBlock value: e) ifTrue: [^ e]].
+             ^ nil"))
+      (st-class-add-method! "SequenceableCollection" "detect:ifNone:"
+        (st-parse-method
+          "detect: aBlock ifNone: noneBlock
+             self do: [:e | (aBlock value: e) ifTrue: [^ e]].
+             ^ noneBlock value"))
+      (st-class-add-method! "SequenceableCollection" "count:"
+        (st-parse-method
+          "count: aBlock
+             | n |
+             n := 0.
+             self do: [:e | (aBlock value: e) ifTrue: [n := n + 1]].
+             ^ n"))
+      (st-class-add-method! "SequenceableCollection" "allSatisfy:"
+        (st-parse-method
+          "allSatisfy: aBlock
+             self do: [:e | (aBlock value: e) ifFalse: [^ false]].
+             ^ true"))
+      (st-class-add-method! "SequenceableCollection" "anySatisfy:"
+        (st-parse-method
+          "anySatisfy: aBlock
+             self do: [:e | (aBlock value: e) ifTrue: [^ true]].
+             ^ false"))
+      (st-class-add-method! "SequenceableCollection" "includes:"
+        (st-parse-method
+          "includes: target
+             self do: [:e | e = target ifTrue: [^ true]].
+             ^ false"))
+      (st-class-add-method! "SequenceableCollection" "do:separatedBy:"
+        (st-parse-method
+          "do: aBlock separatedBy: sepBlock
+             | first |
+             first := true.
+             self do: [:e |
+               first ifFalse: [sepBlock value].
+               first := false.
+               aBlock value: e].
+             ^ self"))
+      (st-class-add-method! "SequenceableCollection" "indexOf:"
+        (st-parse-method
+          "indexOf: target
+             | idx |
+             idx := 1.
+             self do: [:e | e = target ifTrue: [^ idx]. idx := idx + 1].
+             ^ 0"))
+      (st-class-add-method! "SequenceableCollection" "indexOf:ifAbsent:"
+        (st-parse-method
+          "indexOf: target ifAbsent: noneBlock
+             | idx |
+             idx := 1.
+             self do: [:e | e = target ifTrue: [^ idx]. idx := idx + 1].
+             ^ noneBlock value"))
+      (st-class-add-method! "SequenceableCollection" "reject:"
+        (st-parse-method
+          "reject: aBlock ^ self select: [:e | (aBlock value: e) not]"))
+      (st-class-add-method! "SequenceableCollection" "isEmpty"
+        (st-parse-method "isEmpty ^ self size = 0"))
+      (st-class-add-method! "SequenceableCollection" "notEmpty"
+        (st-parse-method "notEmpty ^ self size > 0"))
+      (st-class-add-method! "SequenceableCollection" "asString"
+        (st-parse-method "asString ^ self printString"))
       "ok")))
 
 ;; Initialise on load. Tests can re-bootstrap to reset state.