F# - Decision Making


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Decision making structures require that the programmer specify one or more conditions to be evaluated or tested by the program. It should be along with a statement or statements to be executed if the condition is determined to be true, and optionally, other statements to be executed if the condition is determined to be false.

Following is the general form of a typical decision making structure found in most of the programming languages −

Decision Making

F# programming language provides the following types of decision making statements.

Statement Description
if /then statement An if/then statement consists of a Boolean expression followed by one or more statements.
if/then/ else statement An if/then statement can be followed by an optional else statement, which executes when the Boolean expression is false.
if/then/elif/else statement An if/then/elif/else statement allows you to have multiple else branches.
nested if statements You can use one if or else if statement inside another if or else if statement(s).


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