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Control flow: if/else

if/else statement: The if statement is used to execute a block of code if a certain condition is true. The else statement is used to execute a block of code if the condition is false.

1. Basic if statement: The basic if statement is used to execute a block of code based on the value of a Boolean expression.

2. If statement with initialization: The if statement can also, have an initialization statement executed before evaluating the Boolean expression

3. If statement with short-circuit evaluation: The if a statement can use the short-circuit evaluation to evaluate the second Boolean expression only if the first Boolean expression is true.

4. If statement with multiple conditions: The if statement can evaluate multiple Boolean expressions separated by logical operators (&& or ||).

5. If statement with optional else if and else blocks: The if statement can have multiple else if blocks and an optional else block.

Control flow: Switch statement

The switch statement is used to execute a block of code based on the value of an expression. It is similar to the switch statement in other programming languages, but Go's switch statement has some unique features.

1. Basic switch: The basic switch statement is used to evaluate a variable or an expression and execute a block of code based on the value of the variable.

2. Switch with multiple expressions: The switch statement can also evaluate multiple expressions separated by commas.

3. Switch with initializer: The switch statement can also have an initializer statement executed before evaluating

the expressions.

4. Type switch: The switch statement can e used to evaluate the type of interface value.

5. Switch with fallthrough: The fallthrough statement can be used in a switch statement to execute the statements of the next case block as well, regardless of the case expression.