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|
---@meta _
--[[@@@
---@inner class -> {
self.istruly = true
self.truly = self
self.falsy = Class 'never'
self.view = self.name
}
---@inner integer -> {
self.istruly = true
self.truly = self
self.falsy = Class 'never'
self.view = tostring(self.value)
}
---@inner string -> {
self.istruly = true
self.truly = self
self.falsy = Class 'never'
self.view = cat.util.viewString(self.value, self.quotation)
}
---@inner union -> {
self.istruly = function (subs)
local istruly = subs[1].istruly
if istruly == nil then
return nil
end
if istruly == true then
for i = 2, #subs do
if subs[i].istruly ~= true then
return nil
end
end
return true
else
for i = 2, #subs do
if subs[i].istruly ~= false then
return nil
end
end
return false
end
return nil
end
self.truly = function (subs)
local union = Union()
for i = 1, #subs do
union:add(subs[i].truly)
end
if union:len() == 0 then
return Class 'never'
end
if union:len() == 1 then
return union:first()
end
return union
end
self.falsy = function (subs)
local union = Union()
for i = 1, #subs do
union:add(subs[i].falsy)
end
if union:len() == 0 then
return Class 'never'
end
if union:len() == 1 then
return union:first()
end
return union
end
self.view = function (subs)
local views = {}
for i = 1, #subs do
views[i] = subs[i].view
end
if #views == 0 then
return 'never'
end
return table.concat(views, '|')
end
}
---@class nil -> {
self.istruly = false
self.truly = Class 'never'
self.falsy = self
}
---@class never -> {
self.istruly = nil
}
---@class true -> {
self.istruly = true
self.truly = self
self.falsy = Class 'never'
}
---@class false -> {
self.istruly = false
self.truly = Class 'never'
self.falsy = self
}
---@class any: { [unknown]: any } -> {
self.istruly = nil
self.truly = Class 'truly'
self.falsy = Class 'false' | Class 'nil'
}
---@class truly: { [unknown]: any }
---@class unknown: truly | false
---@class boolean: true | false
---@class number
---@class thread
---@class table: { [unknown]: any }
---@class table<K, V>: { [K]: V }
---@class string: stringlib
---@class userdata: { [unknown]: any }
---@class lightuserdata
---@class function: fun(...): ...
]]
|
