[MLton-devel] Int.precision is 32 bits?

[Stephen Weeks]

> But it does also mean that using a polymorphic function in MLton is as
> fast as using a type annotated one, or am I wrong here?

You are right.

fun f x = x
val _ = f "foo"
val _ = f 13

is exactly as if you had written

fun f1 (x: int) = x
fun f2 (x: string) = x
val _ = f1 "foo"
val _ = f2 13

This of course has many potential performance benefits, which
massively outweigh the potential loss due to code bloat, at least in
our experience.



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