rustrust string concat

Rust strings can be concatenated using the + operator. For example:

let s1 = "Hello";
let s2 = "World";
let s3 = s1 + " " + s2;

The output of the above code is:

Hello World

The + operator can be used to concatenate two strings, or a string and a string literal. The format! macro can also be used to concatenate strings, and it allows for more complex string formatting.

Code explanation

• let s1 = "Hello";: This line declares a string variable s1 and assigns it the value "Hello".
• let s2 = "World";: This line declares a string variable s2 and assigns it the value "World".
• let s3 = s1 + " " + s2;: This line concatenates the strings s1 and s2 with a space in between, and assigns the result to the variable s3.
• format! macro: This macro allows for more complex string formatting and concatenation.

Helpful links

• Rust Strings
• Rust Format Macro

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