cosmo-and-mustache.lua

require 'luarocks.require'
require 'cosmo'
require 'mustache'

-- This needs the Cosmo in source control to work (because of the nested long strings and
-- cosmo.last - install with luarocks install cosmo --from=http://luarocks.org/repositories/rocks-cvs

do
  local template = "$cards[[$if{show}[[$rank of $suit$if{not _last}[[, ]]]]]]"
    local view = { 
        { rank = "Ace",   suit = "Spades",   show = true }, 
        { rank = "Queen", suit = "Diamonds", show = false }, 
        { rank = "10",    suit = "Hearts",   show = true }, 
    }

    local result = cosmo.fill(template, { cards = cosmo.last(view), ["if"] = cosmo.cif })
    print(result)    -- Ace of Spades, 10 of Hearts
end

do 
    local template = "{{#cards}}{{#if_show}}{{rank}} of {{suit}}, {{/if_show}}{{/cards}}"
    local view = {
        if_show = function() return show end, 
        cards = { 
            { rank = "Ace",   suit = "Spades",   show = true }, 
            { rank = "Queen", suit = "Diamonds", show = false }, 
            { rank = "10",    suit = "Hearts",   show = true }, 
        }
    }

    local result = mustache.render(template, view)
    print(result)    -- Ace of Spades, 10 of Hearts,
end