diff options
Diffstat (limited to 'Doc/tut')
| -rw-r--r-- | Doc/tut/tut.tex | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/Doc/tut/tut.tex b/Doc/tut/tut.tex index 27f33c9..d7d363c 100644 --- a/Doc/tut/tut.tex +++ b/Doc/tut/tut.tex @@ -2039,12 +2039,13 @@ the highest priority, and \code{or} the lowest, so that course, parentheses can be used to express the desired composition. The Boolean operators \code{and} and \code{or} are so-called -\emph{shortcut} operators: their arguments are evaluated from left to -right, and evaluation stops as soon as the outcome is determined. -E.g., if \code{A} and \code{C} are true but \code{B} is false, \code{A -and B and C} does not evaluate the expression C. In general, the -return value of a shortcut operator, when used as a general value and -not as a Boolean, is the last evaluated argument. +\emph{short-circuit} operators: their arguments are evaluated from +left to right, and evaluation stops as soon as the outcome is +determined. For example, if \code{A} and \code{C} are true but +\code{B} is false, \code{A and B and C} does not evaluate the +expression \code{C}. In general, the return value of a short-circuit +operator, when used as a general value and not as a Boolean, is the +last evaluated argument. It is possible to assign the result of a comparison or other Boolean expression to a variable. For example, |