Error/warning suggestions

Several of the compiler errors/warnings provide a suggestion of how to fix the issue, not only in the textual ouput of the compiler, but in the JSON output in a machine-usable format.

Supported tools

• purescript-suggest - command line tool which can display or apply all suggestions at once
• pscid - apply a single suggestion on a keypress
• psc-ide-emacs
• psc-ide-vim
• atom-ide-purescript
• vscode-ide-purescript

Fixable issues

Classes of issues with support for auto-fix suggestions:

• Import warnings (e.g. remove unused imports, make import explicit)
• Missing type annotation (top level type annotations and _)