vim-hy

A syntax file for Hy.

Requires a Vim built with Python support and Hy installed so that Vim can load it. You can verify this with

:python import hy

which should not show an error.

Installation

If you are using Plug, add this to your plugins list in .vimrc:

Plug 'hylang/vim-hy'

Otherwise, install using whatever vim plugin approach you prefer.

Conceal support

Use let g:hy_enable_conceal = 1 to enable support for concealing some constructs with unicode glyphs. If this option is enabled, this

(defn something [alpha beta]
  (sum (xi + x1 alpha) (range beta)))

will be displayed like this

(ƒ something [α β]
  (∑ (x¡ + x₁ α) (range β)))

The full table of concealed symbols looks like this:

Symbol	Display	Symbol	Display	Symbol	Display
fn	λ	and	∧	<=	≤
lambda	λ	or	∨	>=	≥
defn	ƒ	not	¬	!=	≠
defn/a	ƒa	fn/a	λa	lfor	s∀
sfor	s∀	dfor	d∀	gfor	g∀
*	∙	->	⊳	None	∅
math.sqrt	√	->>	‣	math.pi	π
sum	∑	for	∀	some	∃
in	∈	alpha	α	gamma	γ
not-in	∉	beta	β	delta	δ
epsilon	ε	xi	x¡	#%	x¡
x[0-9]	x₀ - x₉

If you do let g:hy_conceal_fancy=1, xi and #% are displayed as ξ.