[ library(suspend) | The ECLiPSe Libraries | Reference Manual | Alphabetic Index ]

$<(?Expr1, ?Expr2, ?Bool)

Reified arithmetic comparison
Expr1
An arithmetic expression
Expr2
An arithmetic expression
Bool
Variable, 0 or 1

Description

Reified version of $ This constraint suspends until its first two arguments are ground. It then unifies Bool according to the truth value of the corresponding $Modules This predicate is sensitive to its module context (tool predicate, see @/2).

Exceptions

(24) number expected
Expr1 or Expr2 is not an arithmetic expression.

See Also

$< / 2, < / 3