Binary operators

open FSharp.Interop.Dynamic.Operators (not auto-opened).

Each operator is a DLR binary op plus an inferred conversion of the result.

Operator	DLR
?+?	add (also string concat)
?-?	subtract
?*?	multiply
?/?	divide
?%?	modulo
?&&&? ?\|\|\|? ?^^^?	bitwise and/or/xor
?<<<? ?>>>?	shifts
?=? ?<>? ?<? ?<=? ?>? ?>=?	comparisons; result is bool

open FSharp.Interop.Dynamic.Operators

let n: int = 5 ?+? 4                 // 9
let f: float = 5 ?+? 3.5             // 8.5 — mixed numeric types
let s: string = "Hello" ?+? " World" // concatenation
let ok = 3 ?>? 2                     // true

[1; 2; 3; 4] |> List.reduce (?+?)    // 10 — operators as values

Divide by zero is a real DivideByZeroException, not a binder miss.

The comparison operators convert the DLR result with Dyn.explicitConvert to bool.