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report nested decl aliases in todo
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@ -1450,6 +1450,7 @@ notifyUser dir = \case
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<> IP.makeExample IP.aliasTerm ["<hash>", prettyName name <> ".<ConstructorName>"]
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<> "to give names to each unnamed constructor, and then try the merge again."
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]
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-- Note [NestedDeclAliasMessage] If you change this, also change the other similar one
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MergeNestedDeclAlias aliceOrBob shorterName longerName ->
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pure . P.wrap $
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"On"
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@ -2732,7 +2733,25 @@ handleTodoOutput todo
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else mempty
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prettyConstructorAliases <-
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case todo.incoherentDeclReasons.constructorAliases of
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let -- We want to filter out constructor aliases whose types are part of a "nested decl alias" problem, because
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-- otherwise we'd essentially be reporting those issues twice.
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--
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-- That is, if we have two nested aliases like
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--
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-- Foo = #XYZ
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-- Foo.Bar = #XYZ#0
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--
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-- Foo.inner.Alias = #XYZ
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-- Foo.inner.Alias.Constructor = #XYZ#0
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--
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-- then we'd prefer to say "oh no Foo and Foo.inner.Alias are aliases" but *not* additionally say "oh no
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-- Foo.Bar and Foo.inner.Alias.Constructor are aliases".
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notNestedDeclAlias (typeName, _, _) =
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foldr
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(\(short, long) acc -> typeName /= short && typeName /= long && acc)
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True
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todo.incoherentDeclReasons.nestedDeclAliases
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in case filter notNestedDeclAlias todo.incoherentDeclReasons.constructorAliases of
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[] -> pure mempty
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aliases -> do
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things <-
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@ -2773,6 +2792,30 @@ handleTodoOutput todo
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<> P.newline
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<> P.indentN 2 (P.lines types1)
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prettyNestedDeclAliases <-
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case todo.incoherentDeclReasons.nestedDeclAliases of
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[] -> pure mempty
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aliases0 -> do
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aliases1 <-
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for aliases0 \(short, long) -> do
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n1 <- addNumberedArg (SA.Name short)
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n2 <- addNumberedArg (SA.Name long)
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pure (formatNum n1 <> prettyName short, formatNum n2 <> prettyName long)
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-- Note [NestedDeclAliasMessage] If you change this, also change the other similar one
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pure $
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aliases1
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& map
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( \(short, long) ->
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P.wrap
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( "These types are aliases, but one is nested under the other. Please separate them or delete"
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<> "one copy."
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)
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<> P.newline
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<> P.newline
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<> P.indentN 2 (P.lines [short, long])
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)
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& P.sep "\n\n"
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(pure . P.sep "\n\n" . P.nonEmpty)
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[ prettyDependentsOfTodo,
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prettyDirectTermDependenciesWithoutNames,
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@ -2780,7 +2823,8 @@ handleTodoOutput todo
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prettyConflicts,
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prettyDefnsInLib,
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prettyConstructorAliases,
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prettyMissingConstructorNames
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prettyMissingConstructorNames,
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prettyNestedDeclAliases
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]
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listOfDefinitions ::
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@ -142,3 +142,25 @@ scratch/main> todo
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```ucm:hide
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scratch/main> delete.project scratch
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```
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# Nested decl aliases
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The `todo` command complains about nested decl aliases.
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```ucm:hide
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scratch/main> builtins.mergeio lib.builtins
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```
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```unison
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structural type Foo a = One a | Two a a
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structural type Foo.inner.Bar a = Uno a | Dos a a
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```
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```ucm
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scratch/main> add
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scratch/main> todo
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```
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```ucm:hide
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scratch/main> delete.project scratch
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```
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@ -261,3 +261,43 @@ scratch/main> todo
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1. Foo
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```
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# Nested decl aliases
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The `todo` command complains about nested decl aliases.
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```unison
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structural type Foo a = One a | Two a a
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structural type Foo.inner.Bar a = Uno a | Dos a a
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```
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```ucm
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Loading changes detected in scratch.u.
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I found and typechecked these definitions in scratch.u. If you
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do an `add` or `update`, here's how your codebase would
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change:
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⍟ These new definitions are ok to `add`:
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structural type Foo a
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structural type Foo.inner.Bar a
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```
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```ucm
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scratch/main> add
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⍟ I've added these definitions:
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structural type Foo a
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structural type Foo.inner.Bar a
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scratch/main> todo
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These types are aliases, but one is nested under the other.
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Please separate them or delete one copy.
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1. Foo
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2. Foo.inner.Bar
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```
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