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continuing ch 3 finished branch section
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branches/src/main.rs
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30
branches/src/main.rs
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fn main() {
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// comments go above line attempting to comment
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println!("Hello, world!");
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example_funct();
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}
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// implicitly implied that a unit type is returned but neat to know it is allowed
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fn example_funct () -> () {
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let number = 1;
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// allowed bool statement
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let run_if = number == 0;
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// each if is a different arm or branch of the code path, will not check any other files once the first one is true
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// must be a bool, rust will not accept if number or etc, must be converted into bool
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if number != 0 {
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println!("Number is non-zero")
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// multiple ifs in a row
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} else if run_if {
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println!("Number is zero")
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// in the ase that all are flase
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} else {
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println!("Number is not real")
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}
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let condition = true;
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// ifs can also be part of a statement to set a value depending on another value
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let another_number = if condition { 7 } else { 0 };
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}
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// too many ifs or if elses can clutter code, use the match case instead
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// 5 ifs should mean the code needs to be refactored
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