Suggestion: if local syntax
ggoraa opened this issue · comments
Voltangle commented
Basically something that Swift has for safely unwrapping nil values. An example of such syntax in Swift:
let value: String? = nil
if let value {
// value is now of type String, not String?
// if value is nil, this block won't even be executed
print(value)
}
if let otherName = value {
// Basically the same thing, just the name of the variable being changed
}
This syntax is basically syntax sugar for this:
if value != nil {
print(value!) // The ! is force unwrapping, as in crash if there is a nil
}
It can look in Teal like this:
if local value then
print(value)
end
lenscas commented
I don't get why teal would need special syntax for this?
Right now, teal doesn't have a T?
type so it doesn't help with that, and in lua the only falsy types are nil
and false
so 99% of the time it is ok to just do if value then
.
Voltangle commented
Oh, wow, I didn't know about such syntax in Lua
I will close it then