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How to modify if let statement so it also handles another condition like Some(7) == b?
let a = Some(6);
let b = Some(7);
if let Some(6) = a /* && Some(7) = b */{
// do something
}
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The multiple IF conditions in Excel are IF statements contained within another IF statement. They are used to test multiple conditions simultaneously and return distinct values. The additional IF statements can be included in the “value if true” and “value if false” arguments of a standard IF formula.
Here we'll study how can we check multiple conditions in a single if statement. This can be done by using 'and' or 'or' or BOTH in a single statement. and comparison = for this to work normally both conditions provided with should be true. If the first condition falls false, the compiler doesn't check the second one.
Logical Operators If we want to join two or more conditions in the same if statement, we need a logical operator. There are three possible logical operators in Python: and – Returns True if both statements are true. or – Returns True if at least one of the statements is true.
With guard let you are creating a new variable that will exist in the current scope. With if let you're only creating a new variable inside the code block.
You can use a simple tuple:
if let (Some(6), Some(7)) = (a, b) {
// do something
}
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