unison/unison-src/transcripts/input-parse-errors.md

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# demonstrating our new input parsing errors
```ucm:hide
scratch/main> builtins.merge lib.builtin
```
```unison:hide
x = 55
```
```ucm:hide
scratch/main> add
```
`handleNameArg` parse error in `add`
```ucm:error
scratch/main> add .
scratch/main> ls
scratch/main> add 1
scratch/main> ls
scratch/main> add 2
```
todo:
```haskell
SA.Name name -> pure name
SA.NameWithBranchPrefix (Left _) name -> pure name
SA.NameWithBranchPrefix (Right prefix) name -> pure $ Path.prefixNameIfRel (Path.AbsolutePath' prefix) name
SA.HashQualified hqname -> maybe (Left "cant find a name from the numbered arg") pure $ HQ.toName hqname
SA.HashQualifiedWithBranchPrefix (Left _) hqname -> pure $ HQ'.toName hqname
SA.HashQualifiedWithBranchPrefix (Right prefix) hqname ->
pure . Path.prefixNameIfRel (Path.AbsolutePath' prefix) $ HQ'.toName hqname
SA.ShallowListEntry prefix entry ->
pure . HQ'.toName . fmap (Path.prefixNameIfRel prefix) $ shallowListEntryToHQ' entry
SA.SearchResult mpath result ->
maybe (Left "cant find a name from the numbered arg") pure . HQ.toName $ searchResultToHQ mpath result
otherNumArg -> Left . I.Formatted $ wrongStructuredArgument "a name" otherNumArg
```
aliasMany: skipped -- similar to `add`
```ucm:error
scratch/main> update arg
```
aliasTerm
```
scratch/main> alias.term ##Nat.+ Nat.+
```
aliasTermForce,
aliasType,
todo:
```
aliasMany,
api,
authLogin,
back,
branchEmptyInputPattern,
branchInputPattern,
branchRenameInputPattern,
branchesInputPattern,
cd,
clear,
clone,
compileScheme,
createAuthor,
debugClearWatchCache,
debugDoctor,
debugDumpNamespace,
debugDumpNamespaceSimple,
debugTerm,
debugTermVerbose,
debugType,
debugLSPFoldRanges,
debugFileHashes,
debugNameDiff,
debugNumberedArgs,
debugTabCompletion,
debugFuzzyOptions,
debugFormat,
delete,
deleteBranch,
deleteProject,
deleteNamespace,
deleteNamespaceForce,
deleteTerm,
deleteTermVerbose,
deleteType,
deleteTypeVerbose,
deleteVerbose,
dependencies,
dependents,
diffNamespace,
display,
displayTo,
docToMarkdown,
docs,
docsToHtml,
edit,
editNamespace,
execute,
find,
findIn,
findAll,
findInAll,
findGlobal,
findShallow,
findVerbose,
findVerboseAll,
sfind,
sfindReplace,
forkLocal,
help,
helpTopics,
history,
ioTest,
ioTestAll,
libInstallInputPattern,
load,
makeStandalone,
mergeBuiltins,
mergeIOBuiltins,
mergeOldInputPattern,
mergeOldPreviewInputPattern,
mergeOldSquashInputPattern,
mergeInputPattern,
mergeCommitInputPattern,
names False, -- names
names True, -- names.global
namespaceDependencies,
previewAdd,
previewUpdate,
printVersion,
projectCreate,
projectCreateEmptyInputPattern,
projectRenameInputPattern,
projectSwitch,
projectsInputPattern,
pull,
pullWithoutHistory,
push,
pushCreate,
pushExhaustive,
pushForce,
quit,
releaseDraft,
renameBranch,
renameTerm,
renameType,
moveAll,
reset,
resetRoot,
runScheme,
saveExecuteResult,
test,
testAll,
todo,
ui,
undo,
up,
update,
updateBuiltins,
updateOld,
updateOldNoPatch,
upgrade,
upgradeCommitInputPattern,
view,
viewGlobal,
viewReflog
```