Vim

Highlights.Themes.VimTheme – A theme similar to the vim 7.0 default theme.

#=
Multiline comments...
    can be...
    #= nested #= to =# any depth. =#
=#

# A single line comment.
    # And another one.

# Array and tuple literals.
[1, 3, 3, 4][1:end]
(1, 2, 1.0)[1:2]
[(1, 3), (3, 4)][end - 1]

# Keywords.
if x in y
    # ...
end

x in y ? false : true

let x = 1
    local t
    global s
    t = x
    s = x
end

module M end
baremodule M end

typealias T A
abstract A <: T
type Point{T}
    x::T
    y::T

    Point(x) = new(x, 2x)

    @inline function Point(x, y)
        return new(y, x)
    end
end

immutable Empty{T} end

macro something(x...)
    # ...
end

# Character literals.
' ', '\n', '\'', '"', '\u1234', '⻆'

# String literals.

⻪ = "    "
"'"
"\"\" ..."
"
a
"
"""
...
    """

" $x $(let x = y + 1; x^2; end) ... \n"

r"[a-z]+$xyz"m

raw"\n\n\r\t...\b"
raw"""\n\n\r\t...\b"""abc

v"0.0.2" ≥ v"0.0.1"

run(`foo $bar --baz $([a, b, c])`)

1_000_000_000 + 1.0e-9 * .121 / 1121.
1f0 - 1E-12
0b100_101_111
0o12123535252
0x4312afAfabC
1234
1_2_3_4