ocaml-merlin

Use ocamlmerlin to autocomplete, lint, refactor and navigate your OCaml/Reason code in Atom.

Features

• Context-sensitive autocompletion and linting
• Show the type of expressions under the cursor
• Find all occurrences of a variable
• Jump to (type) declarations and back
• Shrink and grow selections in a smart way
• Rename all occurrences of a variable in a file
• Destruct expressions in pattern matchings

Usage

Linting is performed on save or while typing by linter. Autocompletion is performed on the fly by autocomplete-plus.

No default keybindings are provided, except those compatible with the symbols-view package. Additional keybindings can be set in your keymap.

Command	Description	Keybinding (Linux, Windows)	Keybinding (OS X)
ocaml-merlin:toggle-type	Toggle type of expression under cursor
ocaml-merlin:shrink-type	Shrink the expression
ocaml-merlin:expand-type	Expand the expression
ocaml-merlin:toggle-type	Toggle the type bubble
ocaml-merlin:destruct	Destruct expression under cursor
ocaml-merlin:next-occurrence	Find next occurrence of expression
ocaml-merlin:previous-occurrence	Find previous occurrence of expression
ocaml-merlin:go-to-declaration	Go to declaration of expression	ctrl-alt-down	cmd-alt-down
ocaml-merlin:go-to-type-declaration	Go to type declaration of expression
ocaml-merlin:return-from-declaration	Go back to expression	ctrl-alt-up	cmd-alt-up
ocaml-merlin:shrink-selection	Shrink the current selection
ocaml-merlin:expand-selection	Expand the current selection
ocaml-merlin:rename-variable	Rename all occurrences of variable

Installation

This package requires language-ocaml, linter and ocamlmerlin. For auto-indenting destructed patterns, ocaml-indent is needed. For Reason support, language-reason is needed, and reason-refmt is recommended.

apm install language-ocaml linter ocaml-indent
opam install merlin