can : ('a -> 'b) -> 'a -> bool
STRUCTURE
Lib
SYNOPSIS
Tests for failure.
DESCRIPTION
can f x evaluates to true if the application of f to x succeeds. It evaluates to false if the application fails.
FAILURE
Only fails if f x raises the Interrupt exception.
EXAMPLE
- hd [];
! Uncaught exception:
! Empty

- can hd [];
> val it = false : bool

- can (fn _ => raise Interrupt) 3;
> Interrupted.
SEEALSO
assert, trye, partial, total, assert_exn
HOL  Kananaskis-13