Erlang Conditional Statements

Decision structures require the programmer to specify one or more conditions to be evaluated or tested by the program, and if the condition is determined to be true (true), one or more statements to be executed, and if the condition is determined to be false (false), other statements to be executed.

The general form of the typical decision structure commonly found in most programming languages is as follows-

The Erlang programming language provides the following types of decision statements.

Serial Number	Statements and Descriptions
1	If Statement An if statement consists of a boolean expression and one or more statements.
2	Multiple Expressions The if expression also allows the simultaneous calculation of multiple expressions
3	Nested if Statements An if or else if statement can be used within another if or else if statement
4	Case Statement It can be used to execute expressions based on the output of a case statement

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Erlang Tutorial

Erlang Conditional Statements