【入门夯实】条件表达式化简：布尔直返的写法收敛

local function canFireBad(mp, cdLeft)
    if mp >= 50 and cdLeft <= 0 then
        return true
    else
        return false
    end
end

local function canFire(mp, cdLeft)
    return mp >= 50 and cdLeft <= 0
end
local function tryFire(actor, mp, cdLeft)
    actor = getplayerbyname(actor)
    if canFire(mp, cdLeft) then
        sendmsg(actor, 1, "烈火剑法释放！")
        return true
    end
    sendmsg(actor, 1, "魔法不足或冷却未到。")
    return false
end

local function canSkip(a, b)
    return not a or not b
end