F# Tutorial on F# Loops

programming languages provide various control structures that allow for more complicated execution paths.

a loop statement allows us to execute a statement or group of statements multiple times and following is the general form of a loop statement in most of the programming languages −

loop statement

f# provides the following types of loops to handle the looping requirements.

sr.no loop type & description
1

for… to and for… downto expressions

the for...to expression is used to iterate in a loop over a range of values of a loop variable. the for… downto expression reduces the value of loop variable.

2

for … in expression

this form of for loop is used to iterate over collections of items i.e., loops over collections and sequences

3

while…do loop

repeats a statement or group of statements while a given condition is true. it tests the condition before executing the loop body.

4

nested loops

you can use one or more loop inside any other for or while loop.