Questions tagged [let-binding]
7 questions
6
votes
3 answers
How do I properly implement a property in F#?
Consider my first attempt, a simple type in F# like the following:
type Test() =
inherit BaseImplementingNotifyPropertyChangedViaOnPropertyChanged()
let mutable prop: string = null
member this.Prop
with public get() = prop
…
Greg D
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6
votes
3 answers
Discriminated Union & let binding?
Why are let bindings not permitted in a discriminated union? I assume it has to do with let bindings being executed in a default constructor?
On a secondary note any suggestions on how I could rewrite AI_Choose would be appreciated. I want to keep…
gradbot
- 13,732
- 5
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- 69
4
votes
2 answers
Is assignment with "let" not against the idea of functional programming in Clojure
Assignment should avoided in functional programming, but in clojure we often use let.
Is let just a way of being practical or is assignment not the same as using let? Should we not avoid assignment in functional programming?
David
- 2,926
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4
votes
1 answer
What characters are allowed in F# identifiers, module, type and member names?
This question is about characters in identifiers, not keywords as identifiers.
I found this question on C# names, but couldn't readily find the same on F#. Normally this is hardly relevant, but in my tests naming I often use the dot . and was…
Abel
- 56,041
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3
votes
2 answers
Alternative approach to avoid "Incomplete pattern match" warning
I have written a function that takes an array as input and returns an array of equal size as output. For example:
myFunc [| "apple"; "orange"; "banana" |]
> val it : (string * string) [] =
[|("red", "sphere"); ("orange", "sphere"); ("yellow",…
JDB
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- 123
2
votes
1 answer
Common Lisp `loop`: maximize into local variable introduced by `let`
The loop facility in Common Lisp allows several value accumulation clauses, maximize amongst others.
Now, it is also possible to give a variable var to the maximize clause:
(loop for x from 0 to 10 maximize (func x) into var)
My question is:
Is it…
Aroob
- 113
- 8
0
votes
0 answers
example of tvm letnode
In tvm, according to the docs
Let binding is used in every high-level programming language. In Relay, it is a data structure with three fields Let(var, value, body). When we evaluate a let expression, we first evaluate the value part, assign it to…
irasin
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